18804240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 360

約数和(自身を含む): 81041688

約数和(自身を除く): 62237448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 41, 42, 45, 48, 49, 52, 56, 60, 63, 65, 70, 72, 78, 80, 82, 84, 90, 91, 98, 104, 105, 112, 117, 120, 123, 126, 130, 140, 144, 147, 156, 164, 168, 180, 182, 195, 196, 205, 208, 210, 234, 240, 245, 246, 252, 260, 273, 280, 287, 294, 312, 315, 328, 336, 360, 364, 369, 390, 392, 410, 420, 441, 455, 468, 490, 492, 504, 520, 533, 546, 560, 574, 585, 588, 615, 624, 630, 637, 656, 720, 728, 735, 738, 780, 784, 819, 820, 840, 861, 882, 910, 936, 980, 984, 1008, 1040, 1066, 1092, 1148, 1170, 1176, 1230, 1260, 1274, 1365, 1435, 1456, 1470, 1476, 1560, 1599, 1638, 1640, 1680, 1722, 1764, 1820, 1845, 1872, 1911, 1960, 1968, 2009, 2132, 2184, 2205, 2296, 2340, 2352, 2460, 2520, 2548, 2583, 2665, 2730, 2870, 2940, 2952, 3120, 3185, 3198, 3276, 3280, 3444, 3528, 3640, 3690, 3731, 3822, 3920, 4018, 4095, 4264, 4305, 4368, 4410, 4592, 4680, 4797, 4920, 5040, 5096, 5166, 5330, 5460, 5733, 5740, 5880, 5904, 6027, 6370, 6396, 6552, 6888, 7056, 7280, 7380, 7462, 7644, 7995, 8036, 8190, 8528, 8610, 8820, 9360, 9555, 9594, 9840, 10045, 10192, 10332, 10660, 10920, 11193, 11466, 11480, 11760, 12054, 12740, 12792, 12915, 13104, 13776, 14760, 14924, 15288, 15990, 16072, 16380, 17220, 17640, 18081, 18655, 19110, 19188, 20090, 20664, 21320, 21840, 22386, 22932, 22960, 23985, 24108, 25480, 25584, 25830, 26117, 28665, 29520, 29848, 30135, 30576, 31980, 32144, 32760, 33579, 34440, 35280, 36162, 37310, 38220, 38376, 40180, 41328, 42640, 44772, 45864, 47970, 48216, 50960, 51660, 52234, 55965, 57330, 59696, 60270, 63960, 65520, 67158, 68880, 72324, 74620, 76440, 76752, 78351, 80360, 89544, 90405, 91728, 95940, 96432, 103320, 104468, 111930, 114660, 120540, 127920, 130585, 134316, 144648, 149240, 152880, 156702, 160720, 167895, 179088, 180810, 191880, 206640, 208936, 223860, 229320, 235053, 241080, 261170, 268632, 289296, 298480, 313404, 335790, 361620, 383760, 391755, 417872, 447720, 458640, 470106, 482160, 522340, 537264, 626808, 671580, 723240, 783510, 895440, 940212, 1044680, 1175265, 1253616, 1343160, 1446480, 1567020, 1880424, 2089360, 2350530, 2686320, 3134040, 3760848, 4701060, 6268080, 9402120, 18804240]

約数ペア:

[(1, 18804240), (2, 9402120), (3, 6268080), (4, 4701060), (5, 3760848), (6, 3134040), (7, 2686320), (8, 2350530), (9, 2089360), (10, 1880424), (12, 1567020), (13, 1446480), (14, 1343160), (15, 1253616), (16, 1175265), (18, 1044680), (20, 940212), (21, 895440), (24, 783510), (26, 723240), (28, 671580), (30, 626808), (35, 537264), (36, 522340), (39, 482160), (40, 470106), (41, 458640), (42, 447720), (45, 417872), (48, 391755), (49, 383760), (52, 361620), (56, 335790), (60, 313404), (63, 298480), (65, 289296), (70, 268632), (72, 261170), (78, 241080), (80, 235053), (82, 229320), (84, 223860), (90, 208936), (91, 206640), (98, 191880), (104, 180810), (105, 179088), (112, 167895), (117, 160720), (120, 156702), (123, 152880), (126, 149240), (130, 144648), (140, 134316), (144, 130585), (147, 127920), (156, 120540), (164, 114660), (168, 111930), (180, 104468), (182, 103320), (195, 96432), (196, 95940), (205, 91728), (208, 90405), (210, 89544), (234, 80360), (240, 78351), (245, 76752), (246, 76440), (252, 74620), (260, 72324), (273, 68880), (280, 67158), (287, 65520), (294, 63960), (312, 60270), (315, 59696), (328, 57330), (336, 55965), (360, 52234), (364, 51660), (369, 50960), (390, 48216), (392, 47970), (410, 45864), (420, 44772), (441, 42640), (455, 41328), (468, 40180), (490, 38376), (492, 38220), (504, 37310), (520, 36162), (533, 35280), (546, 34440), (560, 33579), (574, 32760), (585, 32144), (588, 31980), (615, 30576), (624, 30135), (630, 29848), (637, 29520), (656, 28665), (720, 26117), (728, 25830), (735, 25584), (738, 25480), (780, 24108), (784, 23985), (819, 22960), (820, 22932), (840, 22386), (861, 21840), (882, 21320), (910, 20664), (936, 20090), (980, 19188), (984, 19110), (1008, 18655), (1040, 18081), (1066, 17640), (1092, 17220), (1148, 16380), (1170, 16072), (1176, 15990), (1230, 15288), (1260, 14924), (1274, 14760), (1365, 13776), (1435, 13104), (1456, 12915), (1470, 12792), (1476, 12740), (1560, 12054), (1599, 11760), (1638, 11480), (1640, 11466), (1680, 11193), (1722, 10920), (1764, 10660), (1820, 10332), (1845, 10192), (1872, 10045), (1911, 9840), (1960, 9594), (1968, 9555), (2009, 9360), (2132, 8820), (2184, 8610), (2205, 8528), (2296, 8190), (2340, 8036), (2352, 7995), (2460, 7644), (2520, 7462), (2548, 7380), (2583, 7280), (2665, 7056), (2730, 6888), (2870, 6552), (2940, 6396), (2952, 6370), (3120, 6027), (3185, 5904), (3198, 5880), (3276, 5740), (3280, 5733), (3444, 5460), (3528, 5330), (3640, 5166), (3690, 5096), (3731, 5040), (3822, 4920), (3920, 4797), (4018, 4680), (4095, 4592), (4264, 4410), (4305, 4368)]