68781960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 320

約数和(自身を含む): 263450880

約数和(自身を除く): 194668920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 27, 30, 36, 39, 40, 45, 46, 52, 54, 60, 65, 69, 71, 72, 78, 81, 90, 92, 104, 108, 115, 117, 120, 130, 135, 138, 142, 156, 162, 180, 184, 195, 207, 213, 216, 230, 234, 260, 270, 276, 284, 299, 312, 324, 345, 351, 355, 360, 390, 405, 414, 426, 460, 468, 520, 540, 552, 568, 585, 598, 621, 639, 648, 690, 702, 710, 780, 810, 828, 852, 897, 920, 923, 936, 1035, 1053, 1065, 1080, 1170, 1196, 1242, 1278, 1380, 1404, 1420, 1495, 1560, 1620, 1633, 1656, 1704, 1755, 1794, 1846, 1863, 1917, 2070, 2106, 2130, 2340, 2392, 2484, 2556, 2691, 2760, 2769, 2808, 2840, 2990, 3105, 3195, 3240, 3266, 3510, 3588, 3692, 3726, 3834, 4140, 4212, 4260, 4485, 4615, 4680, 4899, 4968, 5112, 5265, 5382, 5538, 5751, 5980, 6210, 6390, 6532, 7020, 7176, 7384, 7452, 7668, 8073, 8165, 8280, 8307, 8424, 8520, 8970, 9230, 9315, 9585, 9798, 10530, 10764, 11076, 11502, 11960, 12420, 12780, 13064, 13455, 13845, 14040, 14697, 14904, 15336, 16146, 16330, 16614, 17940, 18460, 18630, 19170, 19596, 21060, 21229, 21528, 22152, 23004, 24219, 24495, 24840, 24921, 25560, 26910, 27690, 28755, 29394, 32292, 32660, 33228, 35880, 36920, 37260, 38340, 39192, 40365, 41535, 42120, 42458, 44091, 46008, 48438, 48990, 49842, 53820, 55380, 57510, 58788, 63687, 64584, 65320, 66456, 73485, 74520, 74763, 76680, 80730, 83070, 84916, 88182, 96876, 97980, 99684, 106145, 107640, 110760, 115020, 117576, 121095, 124605, 127374, 132273, 146970, 149526, 161460, 166140, 169832, 176364, 191061, 193752, 195960, 199368, 212290, 220455, 230040, 242190, 249210, 254748, 264546, 293940, 299052, 318435, 322920, 332280, 352728, 373815, 382122, 424580, 440910, 484380, 498420, 509496, 529092, 573183, 587880, 598104, 636870, 661365, 747630, 764244, 849160, 881820, 955305, 968760, 996840, 1058184, 1146366, 1273740, 1322730, 1495260, 1528488, 1719549, 1763640, 1910610, 2292732, 2547480, 2645460, 2865915, 2990520, 3439098, 3821220, 4585464, 5290920, 5731830, 6878196, 7642440, 8597745, 11463660, 13756392, 17195490, 22927320, 34390980, 68781960]

約数ペア:

[(1, 68781960), (2, 34390980), (3, 22927320), (4, 17195490), (5, 13756392), (6, 11463660), (8, 8597745), (9, 7642440), (10, 6878196), (12, 5731830), (13, 5290920), (15, 4585464), (18, 3821220), (20, 3439098), (23, 2990520), (24, 2865915), (26, 2645460), (27, 2547480), (30, 2292732), (36, 1910610), (39, 1763640), (40, 1719549), (45, 1528488), (46, 1495260), (52, 1322730), (54, 1273740), (60, 1146366), (65, 1058184), (69, 996840), (71, 968760), (72, 955305), (78, 881820), (81, 849160), (90, 764244), (92, 747630), (104, 661365), (108, 636870), (115, 598104), (117, 587880), (120, 573183), (130, 529092), (135, 509496), (138, 498420), (142, 484380), (156, 440910), (162, 424580), (180, 382122), (184, 373815), (195, 352728), (207, 332280), (213, 322920), (216, 318435), (230, 299052), (234, 293940), (260, 264546), (270, 254748), (276, 249210), (284, 242190), (299, 230040), (312, 220455), (324, 212290), (345, 199368), (351, 195960), (355, 193752), (360, 191061), (390, 176364), (405, 169832), (414, 166140), (426, 161460), (460, 149526), (468, 146970), (520, 132273), (540, 127374), (552, 124605), (568, 121095), (585, 117576), (598, 115020), (621, 110760), (639, 107640), (648, 106145), (690, 99684), (702, 97980), (710, 96876), (780, 88182), (810, 84916), (828, 83070), (852, 80730), (897, 76680), (920, 74763), (923, 74520), (936, 73485), (1035, 66456), (1053, 65320), (1065, 64584), (1080, 63687), (1170, 58788), (1196, 57510), (1242, 55380), (1278, 53820), (1380, 49842), (1404, 48990), (1420, 48438), (1495, 46008), (1560, 44091), (1620, 42458), (1633, 42120), (1656, 41535), (1704, 40365), (1755, 39192), (1794, 38340), (1846, 37260), (1863, 36920), (1917, 35880), (2070, 33228), (2106, 32660), (2130, 32292), (2340, 29394), (2392, 28755), (2484, 27690), (2556, 26910), (2691, 25560), (2760, 24921), (2769, 24840), (2808, 24495), (2840, 24219), (2990, 23004), (3105, 22152), (3195, 21528), (3240, 21229), (3266, 21060), (3510, 19596), (3588, 19170), (3692, 18630), (3726, 18460), (3834, 17940), (4140, 16614), (4212, 16330), (4260, 16146), (4485, 15336), (4615, 14904), (4680, 14697), (4899, 14040), (4968, 13845), (5112, 13455), (5265, 13064), (5382, 12780), (5538, 12420), (5751, 11960), (5980, 11502), (6210, 11076), (6390, 10764), (6532, 10530), (7020, 9798), (7176, 9585), (7384, 9315), (7452, 9230), (7668, 8970), (8073, 8520), (8165, 8424), (8280, 8307)]