261518790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 708083712

約数和(自身を除く): 446564922

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 97, 130, 155, 186, 194, 195, 223, 291, 310, 390, 403, 446, 465, 485, 582, 669, 806, 930, 970, 1115, 1209, 1261, 1338, 1455, 2015, 2230, 2418, 2522, 2899, 2910, 3007, 3345, 3783, 4030, 5798, 6014, 6045, 6305, 6690, 6913, 7566, 8697, 9021, 12090, 12610, 13826, 14495, 15035, 17394, 18042, 18915, 20739, 21631, 28990, 30070, 34565, 37830, 39091, 41478, 43262, 43485, 45105, 64893, 69130, 78182, 86970, 89869, 90210, 103695, 108155, 117273, 129786, 179738, 195455, 207390, 216310, 234546, 269607, 281203, 324465, 390910, 449345, 539214, 562406, 586365, 648930, 670561, 843609, 898690, 1172730, 1341122, 1348035, 1406015, 1687218, 2011683, 2696070, 2812030, 3352805, 4023366, 4218045, 6705610, 8436090, 8717293, 10058415, 17434586, 20116830, 26151879, 43586465, 52303758, 87172930, 130759395, 261518790]

約数ペア:

[(1, 261518790), (2, 130759395), (3, 87172930), (5, 52303758), (6, 43586465), (10, 26151879), (13, 20116830), (15, 17434586), (26, 10058415), (30, 8717293), (31, 8436090), (39, 6705610), (62, 4218045), (65, 4023366), (78, 3352805), (93, 2812030), (97, 2696070), (130, 2011683), (155, 1687218), (186, 1406015), (194, 1348035), (195, 1341122), (223, 1172730), (291, 898690), (310, 843609), (390, 670561), (403, 648930), (446, 586365), (465, 562406), (485, 539214), (582, 449345), (669, 390910), (806, 324465), (930, 281203), (970, 269607), (1115, 234546), (1209, 216310), (1261, 207390), (1338, 195455), (1455, 179738), (2015, 129786), (2230, 117273), (2418, 108155), (2522, 103695), (2899, 90210), (2910, 89869), (3007, 86970), (3345, 78182), (3783, 69130), (4030, 64893), (5798, 45105), (6014, 43485), (6045, 43262), (6305, 41478), (6690, 39091), (6913, 37830), (7566, 34565), (8697, 30070), (9021, 28990), (12090, 21631), (12610, 20739), (13826, 18915), (14495, 18042), (15035, 17394)]