80906280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 256

約数和(自身を含む): 309657600

約数和(自身を除く): 228751320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 31, 35, 39, 40, 42, 52, 56, 60, 62, 65, 70, 78, 84, 91, 93, 104, 105, 120, 124, 130, 140, 155, 156, 168, 182, 186, 195, 210, 217, 239, 248, 260, 273, 280, 310, 312, 364, 372, 390, 403, 420, 434, 455, 465, 478, 520, 546, 620, 651, 717, 728, 744, 780, 806, 840, 868, 910, 930, 956, 1085, 1092, 1195, 1209, 1240, 1302, 1365, 1434, 1560, 1612, 1673, 1736, 1820, 1860, 1912, 2015, 2170, 2184, 2390, 2418, 2604, 2730, 2821, 2868, 3107, 3224, 3255, 3346, 3585, 3640, 3720, 4030, 4340, 4780, 4836, 5019, 5208, 5460, 5642, 5736, 6045, 6214, 6510, 6692, 7170, 7409, 8060, 8365, 8463, 8680, 9321, 9560, 9672, 10038, 10920, 11284, 12090, 12428, 13020, 13384, 14105, 14340, 14818, 15535, 16120, 16730, 16926, 18642, 20076, 21749, 22227, 22568, 24180, 24856, 25095, 26040, 28210, 28680, 29636, 31070, 33460, 33852, 37045, 37284, 40152, 42315, 43498, 44454, 46605, 48360, 50190, 51863, 56420, 59272, 62140, 65247, 66920, 67704, 74090, 74568, 84630, 86996, 88908, 93210, 96317, 100380, 103726, 108745, 111135, 112840, 124280, 130494, 148180, 155589, 169260, 173992, 177816, 186420, 192634, 200760, 207452, 217490, 222270, 259315, 260988, 288951, 296360, 311178, 326235, 338520, 372840, 385268, 414904, 434980, 444540, 481585, 518630, 521976, 577902, 622356, 652470, 674219, 770536, 777945, 869960, 889080, 963170, 1037260, 1155804, 1244712, 1304940, 1348438, 1444755, 1555890, 1926340, 2022657, 2074520, 2311608, 2609880, 2696876, 2889510, 3111780, 3371095, 3852680, 4045314, 5393752, 5779020, 6223560, 6742190, 8090628, 10113285, 11558040, 13484380, 16181256, 20226570, 26968760, 40453140, 80906280]

約数ペア:

[(1, 80906280), (2, 40453140), (3, 26968760), (4, 20226570), (5, 16181256), (6, 13484380), (7, 11558040), (8, 10113285), (10, 8090628), (12, 6742190), (13, 6223560), (14, 5779020), (15, 5393752), (20, 4045314), (21, 3852680), (24, 3371095), (26, 3111780), (28, 2889510), (30, 2696876), (31, 2609880), (35, 2311608), (39, 2074520), (40, 2022657), (42, 1926340), (52, 1555890), (56, 1444755), (60, 1348438), (62, 1304940), (65, 1244712), (70, 1155804), (78, 1037260), (84, 963170), (91, 889080), (93, 869960), (104, 777945), (105, 770536), (120, 674219), (124, 652470), (130, 622356), (140, 577902), (155, 521976), (156, 518630), (168, 481585), (182, 444540), (186, 434980), (195, 414904), (210, 385268), (217, 372840), (239, 338520), (248, 326235), (260, 311178), (273, 296360), (280, 288951), (310, 260988), (312, 259315), (364, 222270), (372, 217490), (390, 207452), (403, 200760), (420, 192634), (434, 186420), (455, 177816), (465, 173992), (478, 169260), (520, 155589), (546, 148180), (620, 130494), (651, 124280), (717, 112840), (728, 111135), (744, 108745), (780, 103726), (806, 100380), (840, 96317), (868, 93210), (910, 88908), (930, 86996), (956, 84630), (1085, 74568), (1092, 74090), (1195, 67704), (1209, 66920), (1240, 65247), (1302, 62140), (1365, 59272), (1434, 56420), (1560, 51863), (1612, 50190), (1673, 48360), (1736, 46605), (1820, 44454), (1860, 43498), (1912, 42315), (2015, 40152), (2170, 37284), (2184, 37045), (2390, 33852), (2418, 33460), (2604, 31070), (2730, 29636), (2821, 28680), (2868, 28210), (3107, 26040), (3224, 25095), (3255, 24856), (3346, 24180), (3585, 22568), (3640, 22227), (3720, 21749), (4030, 20076), (4340, 18642), (4780, 16926), (4836, 16730), (5019, 16120), (5208, 15535), (5460, 14818), (5642, 14340), (5736, 14105), (6045, 13384), (6214, 13020), (6510, 12428), (6692, 12090), (7170, 11284), (7409, 10920), (8060, 10038), (8365, 9672), (8463, 9560), (8680, 9321)]