81616080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 320

約数和(自身を含む): 322979328

約数和(自身を除く): 241363248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 48, 52, 56, 60, 65, 70, 74, 78, 80, 84, 91, 101, 104, 105, 111, 112, 120, 130, 140, 148, 156, 168, 182, 185, 195, 202, 208, 210, 222, 240, 259, 260, 273, 280, 296, 303, 312, 336, 364, 370, 390, 404, 420, 444, 455, 481, 505, 518, 520, 546, 555, 560, 592, 606, 624, 707, 728, 740, 777, 780, 808, 840, 888, 910, 962, 1010, 1036, 1040, 1092, 1110, 1212, 1295, 1313, 1365, 1414, 1443, 1456, 1480, 1515, 1554, 1560, 1616, 1680, 1776, 1820, 1924, 2020, 2072, 2121, 2184, 2220, 2405, 2424, 2590, 2626, 2730, 2828, 2886, 2960, 3030, 3108, 3120, 3367, 3535, 3640, 3737, 3848, 3885, 3939, 4040, 4144, 4242, 4368, 4440, 4810, 4848, 5180, 5252, 5460, 5656, 5772, 6060, 6216, 6565, 6734, 7070, 7215, 7280, 7474, 7696, 7770, 7878, 8080, 8484, 8880, 9191, 9620, 10101, 10360, 10504, 10605, 10920, 11211, 11312, 11544, 12120, 12432, 13130, 13468, 14140, 14430, 14948, 15540, 15756, 16835, 16968, 18382, 18685, 19240, 19695, 20202, 20720, 21008, 21210, 21840, 22422, 23088, 24240, 26159, 26260, 26936, 27573, 28280, 28860, 29896, 31080, 31512, 33670, 33936, 36764, 37370, 38480, 39390, 40404, 42420, 44844, 45955, 48581, 50505, 52318, 52520, 53872, 55146, 56055, 56560, 57720, 59792, 62160, 63024, 67340, 73528, 74740, 78477, 78780, 80808, 84840, 89688, 91910, 97162, 101010, 104636, 105040, 110292, 112110, 115440, 130795, 134680, 137865, 145743, 147056, 149480, 156954, 157560, 161616, 169680, 179376, 183820, 194324, 202020, 209272, 220584, 224220, 242905, 261590, 269360, 275730, 291486, 298960, 313908, 315120, 340067, 367640, 388648, 392385, 404040, 418544, 441168, 448440, 485810, 523180, 551460, 582972, 627816, 680134, 728715, 735280, 777296, 784770, 808080, 896880, 971620, 1020201, 1046360, 1102920, 1165944, 1255632, 1360268, 1457430, 1569540, 1700335, 1943240, 2040402, 2092720, 2205840, 2331888, 2720536, 2914860, 3139080, 3400670, 3886480, 4080804, 5101005, 5441072, 5829720, 6278160, 6801340, 8161608, 10202010, 11659440, 13602680, 16323216, 20404020, 27205360, 40808040, 81616080]

約数ペア:

[(1, 81616080), (2, 40808040), (3, 27205360), (4, 20404020), (5, 16323216), (6, 13602680), (7, 11659440), (8, 10202010), (10, 8161608), (12, 6801340), (13, 6278160), (14, 5829720), (15, 5441072), (16, 5101005), (20, 4080804), (21, 3886480), (24, 3400670), (26, 3139080), (28, 2914860), (30, 2720536), (35, 2331888), (37, 2205840), (39, 2092720), (40, 2040402), (42, 1943240), (48, 1700335), (52, 1569540), (56, 1457430), (60, 1360268), (65, 1255632), (70, 1165944), (74, 1102920), (78, 1046360), (80, 1020201), (84, 971620), (91, 896880), (101, 808080), (104, 784770), (105, 777296), (111, 735280), (112, 728715), (120, 680134), (130, 627816), (140, 582972), (148, 551460), (156, 523180), (168, 485810), (182, 448440), (185, 441168), (195, 418544), (202, 404040), (208, 392385), (210, 388648), (222, 367640), (240, 340067), (259, 315120), (260, 313908), (273, 298960), (280, 291486), (296, 275730), (303, 269360), (312, 261590), (336, 242905), (364, 224220), (370, 220584), (390, 209272), (404, 202020), (420, 194324), (444, 183820), (455, 179376), (481, 169680), (505, 161616), (518, 157560), (520, 156954), (546, 149480), (555, 147056), (560, 145743), (592, 137865), (606, 134680), (624, 130795), (707, 115440), (728, 112110), (740, 110292), (777, 105040), (780, 104636), (808, 101010), (840, 97162), (888, 91910), (910, 89688), (962, 84840), (1010, 80808), (1036, 78780), (1040, 78477), (1092, 74740), (1110, 73528), (1212, 67340), (1295, 63024), (1313, 62160), (1365, 59792), (1414, 57720), (1443, 56560), (1456, 56055), (1480, 55146), (1515, 53872), (1554, 52520), (1560, 52318), (1616, 50505), (1680, 48581), (1776, 45955), (1820, 44844), (1924, 42420), (2020, 40404), (2072, 39390), (2121, 38480), (2184, 37370), (2220, 36764), (2405, 33936), (2424, 33670), (2590, 31512), (2626, 31080), (2730, 29896), (2828, 28860), (2886, 28280), (2960, 27573), (3030, 26936), (3108, 26260), (3120, 26159), (3367, 24240), (3535, 23088), (3640, 22422), (3737, 21840), (3848, 21210), (3885, 21008), (3939, 20720), (4040, 20202), (4144, 19695), (4242, 19240), (4368, 18685), (4440, 18382), (4810, 16968), (4848, 16835), (5180, 15756), (5252, 15540), (5460, 14948), (5656, 14430), (5772, 14140), (6060, 13468), (6216, 13130), (6565, 12432), (6734, 12120), (7070, 11544), (7215, 11312), (7280, 11211), (7474, 10920), (7696, 10605), (7770, 10504), (7878, 10360), (8080, 10101), (8484, 9620), (8880, 9191)]