81523650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 220485888

約数和(自身を除く): 138962238

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 97, 130, 150, 194, 195, 291, 325, 390, 431, 485, 582, 650, 862, 970, 975, 1261, 1293, 1455, 1950, 2155, 2425, 2522, 2586, 2910, 3783, 4310, 4850, 5603, 6305, 6465, 7275, 7566, 10775, 11206, 12610, 12930, 14550, 16809, 18915, 21550, 28015, 31525, 32325, 33618, 37830, 41807, 56030, 63050, 64650, 83614, 84045, 94575, 125421, 140075, 168090, 189150, 209035, 250842, 280150, 418070, 420225, 543491, 627105, 840450, 1045175, 1086982, 1254210, 1630473, 2090350, 2717455, 3135525, 3260946, 5434910, 6271050, 8152365, 13587275, 16304730, 27174550, 40761825, 81523650]

約数ペア:

[(1, 81523650), (2, 40761825), (3, 27174550), (5, 16304730), (6, 13587275), (10, 8152365), (13, 6271050), (15, 5434910), (25, 3260946), (26, 3135525), (30, 2717455), (39, 2090350), (50, 1630473), (65, 1254210), (75, 1086982), (78, 1045175), (97, 840450), (130, 627105), (150, 543491), (194, 420225), (195, 418070), (291, 280150), (325, 250842), (390, 209035), (431, 189150), (485, 168090), (582, 140075), (650, 125421), (862, 94575), (970, 84045), (975, 83614), (1261, 64650), (1293, 63050), (1455, 56030), (1950, 41807), (2155, 37830), (2425, 33618), (2522, 32325), (2586, 31525), (2910, 28015), (3783, 21550), (4310, 18915), (4850, 16809), (5603, 14550), (6305, 12930), (6465, 12610), (7275, 11206), (7566, 10775)]