1215500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:60

約数の個数: 96

約数和(自身を含む): 3302208

約数和(自身を除く): 2086708

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 85, 100, 110, 125, 130, 143, 170, 187, 220, 221, 250, 260, 275, 286, 325, 340, 374, 425, 442, 500, 550, 572, 650, 715, 748, 850, 884, 935, 1100, 1105, 1300, 1375, 1430, 1625, 1700, 1870, 2125, 2210, 2431, 2750, 2860, 3250, 3575, 3740, 4250, 4420, 4675, 4862, 5500, 5525, 6500, 7150, 8500, 9350, 9724, 11050, 12155, 14300, 17875, 18700, 22100, 23375, 24310, 27625, 35750, 46750, 48620, 55250, 60775, 71500, 93500, 110500, 121550, 243100, 303875, 607750, 1215500]

約数ペア:

[(1, 1215500), (2, 607750), (4, 303875), (5, 243100), (10, 121550), (11, 110500), (13, 93500), (17, 71500), (20, 60775), (22, 55250), (25, 48620), (26, 46750), (34, 35750), (44, 27625), (50, 24310), (52, 23375), (55, 22100), (65, 18700), (68, 17875), (85, 14300), (100, 12155), (110, 11050), (125, 9724), (130, 9350), (143, 8500), (170, 7150), (187, 6500), (220, 5525), (221, 5500), (250, 4862), (260, 4675), (275, 4420), (286, 4250), (325, 3740), (340, 3575), (374, 3250), (425, 2860), (442, 2750), (500, 2431), (550, 2210), (572, 2125), (650, 1870), (715, 1700), (748, 1625), (850, 1430), (884, 1375), (935, 1300), (1100, 1105)]