81740880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 320

約数和(自身を含む): 314979840

約数和(自身を除く): 233238960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 41, 45, 48, 52, 54, 60, 65, 71, 72, 78, 80, 82, 90, 104, 108, 117, 120, 123, 130, 135, 142, 144, 156, 164, 180, 195, 205, 208, 213, 216, 234, 240, 246, 260, 270, 284, 312, 328, 351, 355, 360, 369, 390, 410, 426, 432, 468, 492, 520, 533, 540, 568, 585, 615, 624, 639, 656, 702, 710, 720, 738, 780, 820, 852, 923, 936, 984, 1040, 1065, 1066, 1080, 1107, 1136, 1170, 1230, 1278, 1404, 1420, 1476, 1560, 1599, 1640, 1704, 1755, 1845, 1846, 1872, 1917, 1968, 2130, 2132, 2160, 2214, 2340, 2460, 2556, 2665, 2769, 2808, 2840, 2911, 2952, 3120, 3195, 3198, 3280, 3408, 3510, 3690, 3692, 3834, 4260, 4264, 4428, 4615, 4680, 4797, 4920, 5112, 5330, 5535, 5538, 5616, 5680, 5822, 5904, 6390, 6396, 7020, 7380, 7384, 7668, 7995, 8307, 8520, 8528, 8733, 8856, 9230, 9360, 9585, 9594, 9840, 10224, 10660, 11070, 11076, 11644, 12780, 12792, 13845, 14040, 14391, 14555, 14760, 14768, 15336, 15990, 16614, 17040, 17466, 17712, 18460, 19170, 19188, 21320, 22140, 22152, 23288, 23985, 24921, 25560, 25584, 26199, 27690, 28080, 28782, 29110, 29520, 30672, 31980, 33228, 34932, 36920, 37843, 38340, 38376, 41535, 42640, 43665, 44280, 44304, 46576, 47970, 49842, 51120, 52398, 55380, 57564, 58220, 63960, 66456, 69864, 71955, 73840, 75686, 76680, 76752, 78597, 83070, 87330, 88560, 95940, 99684, 104796, 110760, 113529, 115128, 116440, 124605, 127920, 130995, 132912, 139728, 143910, 151372, 153360, 157194, 166140, 174660, 189215, 191880, 199368, 209592, 221520, 227058, 230256, 232880, 249210, 261990, 287820, 302744, 314388, 332280, 340587, 349320, 378430, 383760, 392985, 398736, 419184, 454116, 498420, 523980, 567645, 575640, 605488, 628776, 664560, 681174, 698640, 756860, 785970, 908232, 996840, 1021761, 1047960, 1135290, 1151280, 1257552, 1362348, 1513720, 1571940, 1702935, 1816464, 1993680, 2043522, 2095920, 2270580, 2724696, 3027440, 3143880, 3405870, 4087044, 4541160, 5108805, 5449392, 6287760, 6811740, 8174088, 9082320, 10217610, 13623480, 16348176, 20435220, 27246960, 40870440, 81740880]

約数ペア:

[(1, 81740880), (2, 40870440), (3, 27246960), (4, 20435220), (5, 16348176), (6, 13623480), (8, 10217610), (9, 9082320), (10, 8174088), (12, 6811740), (13, 6287760), (15, 5449392), (16, 5108805), (18, 4541160), (20, 4087044), (24, 3405870), (26, 3143880), (27, 3027440), (30, 2724696), (36, 2270580), (39, 2095920), (40, 2043522), (41, 1993680), (45, 1816464), (48, 1702935), (52, 1571940), (54, 1513720), (60, 1362348), (65, 1257552), (71, 1151280), (72, 1135290), (78, 1047960), (80, 1021761), (82, 996840), (90, 908232), (104, 785970), (108, 756860), (117, 698640), (120, 681174), (123, 664560), (130, 628776), (135, 605488), (142, 575640), (144, 567645), (156, 523980), (164, 498420), (180, 454116), (195, 419184), (205, 398736), (208, 392985), (213, 383760), (216, 378430), (234, 349320), (240, 340587), (246, 332280), (260, 314388), (270, 302744), (284, 287820), (312, 261990), (328, 249210), (351, 232880), (355, 230256), (360, 227058), (369, 221520), (390, 209592), (410, 199368), (426, 191880), (432, 189215), (468, 174660), (492, 166140), (520, 157194), (533, 153360), (540, 151372), (568, 143910), (585, 139728), (615, 132912), (624, 130995), (639, 127920), (656, 124605), (702, 116440), (710, 115128), (720, 113529), (738, 110760), (780, 104796), (820, 99684), (852, 95940), (923, 88560), (936, 87330), (984, 83070), (1040, 78597), (1065, 76752), (1066, 76680), (1080, 75686), (1107, 73840), (1136, 71955), (1170, 69864), (1230, 66456), (1278, 63960), (1404, 58220), (1420, 57564), (1476, 55380), (1560, 52398), (1599, 51120), (1640, 49842), (1704, 47970), (1755, 46576), (1845, 44304), (1846, 44280), (1872, 43665), (1917, 42640), (1968, 41535), (2130, 38376), (2132, 38340), (2160, 37843), (2214, 36920), (2340, 34932), (2460, 33228), (2556, 31980), (2665, 30672), (2769, 29520), (2808, 29110), (2840, 28782), (2911, 28080), (2952, 27690), (3120, 26199), (3195, 25584), (3198, 25560), (3280, 24921), (3408, 23985), (3510, 23288), (3690, 22152), (3692, 22140), (3834, 21320), (4260, 19188), (4264, 19170), (4428, 18460), (4615, 17712), (4680, 17466), (4797, 17040), (4920, 16614), (5112, 15990), (5330, 15336), (5535, 14768), (5538, 14760), (5616, 14555), (5680, 14391), (5822, 14040), (5904, 13845), (6390, 12792), (6396, 12780), (7020, 11644), (7380, 11076), (7384, 11070), (7668, 10660), (7995, 10224), (8307, 9840), (8520, 9594), (8528, 9585), (8733, 9360), (8856, 9230)]