1615100000

素因数分解:

$2^5\times 5^5\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 144

約数和(自身を含む): 4110486912

約数和(自身を除く): 2495386912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 521, 620, 625, 775, 800, 992, 1000, 1042, 1240, 1250, 1550, 2000, 2084, 2480, 2500, 2605, 3100, 3125, 3875, 4000, 4168, 4960, 5000, 5210, 6200, 6250, 7750, 8336, 10000, 10420, 12400, 12500, 13025, 15500, 16151, 16672, 19375, 20000, 20840, 24800, 25000, 26050, 31000, 32302, 38750, 41680, 50000, 52100, 62000, 64604, 65125, 77500, 80755, 83360, 96875, 100000, 104200, 124000, 129208, 130250, 155000, 161510, 193750, 208400, 258416, 260500, 310000, 323020, 325625, 387500, 403775, 416800, 516832, 521000, 620000, 646040, 651250, 775000, 807550, 1042000, 1292080, 1302500, 1550000, 1615100, 1628125, 2018875, 2084000, 2584160, 2605000, 3100000, 3230200, 3256250, 4037750, 5210000, 6460400, 6512500, 8075500, 10094375, 10420000, 12920800, 13025000, 16151000, 20188750, 26050000, 32302000, 40377500, 50471875, 52100000, 64604000, 80755000, 100943750, 161510000, 201887500, 323020000, 403775000, 807550000, 1615100000]

約数ペア:

[(1, 1615100000), (2, 807550000), (4, 403775000), (5, 323020000), (8, 201887500), (10, 161510000), (16, 100943750), (20, 80755000), (25, 64604000), (31, 52100000), (32, 50471875), (40, 40377500), (50, 32302000), (62, 26050000), (80, 20188750), (100, 16151000), (124, 13025000), (125, 12920800), (155, 10420000), (160, 10094375), (200, 8075500), (248, 6512500), (250, 6460400), (310, 5210000), (400, 4037750), (496, 3256250), (500, 3230200), (521, 3100000), (620, 2605000), (625, 2584160), (775, 2084000), (800, 2018875), (992, 1628125), (1000, 1615100), (1042, 1550000), (1240, 1302500), (1250, 1292080), (1550, 1042000), (2000, 807550), (2084, 775000), (2480, 651250), (2500, 646040), (2605, 620000), (3100, 521000), (3125, 516832), (3875, 416800), (4000, 403775), (4168, 387500), (4960, 325625), (5000, 323020), (5210, 310000), (6200, 260500), (6250, 258416), (7750, 208400), (8336, 193750), (10000, 161510), (10420, 155000), (12400, 130250), (12500, 129208), (13025, 124000), (15500, 104200), (16151, 100000), (16672, 96875), (19375, 83360), (20000, 80755), (20840, 77500), (24800, 65125), (25000, 64604), (26050, 62000), (31000, 52100), (32302, 50000), (38750, 41680)]