248722740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1942

約数の個数: 144

約数和(自身を含む): 870629760

約数和(自身を除く): 621907020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 315, 327, 420, 436, 545, 630, 654, 763, 981, 1090, 1260, 1308, 1526, 1635, 1811, 1962, 2180, 2289, 3052, 3270, 3622, 3815, 3924, 4578, 4905, 5433, 6540, 6867, 7244, 7630, 9055, 9156, 9810, 10866, 11445, 12677, 13734, 15260, 16299, 18110, 19620, 21732, 22890, 25354, 27165, 27468, 32598, 34335, 36220, 38031, 45780, 50708, 54330, 63385, 65196, 68670, 76062, 81495, 108660, 114093, 126770, 137340, 152124, 162990, 190155, 197399, 228186, 253540, 325980, 380310, 394798, 456372, 570465, 592197, 760620, 789596, 986995, 1140930, 1184394, 1381793, 1776591, 1973990, 2281860, 2368788, 2763586, 2960985, 3553182, 3947980, 4145379, 5527172, 5921970, 6908965, 7106364, 8290758, 8882955, 11843940, 12436137, 13817930, 16581516, 17765910, 20726895, 24872274, 27635860, 35531820, 41453790, 49744548, 62180685, 82907580, 124361370, 248722740]

約数ペア:

[(1, 248722740), (2, 124361370), (3, 82907580), (4, 62180685), (5, 49744548), (6, 41453790), (7, 35531820), (9, 27635860), (10, 24872274), (12, 20726895), (14, 17765910), (15, 16581516), (18, 13817930), (20, 12436137), (21, 11843940), (28, 8882955), (30, 8290758), (35, 7106364), (36, 6908965), (42, 5921970), (45, 5527172), (60, 4145379), (63, 3947980), (70, 3553182), (84, 2960985), (90, 2763586), (105, 2368788), (109, 2281860), (126, 1973990), (140, 1776591), (180, 1381793), (210, 1184394), (218, 1140930), (252, 986995), (315, 789596), (327, 760620), (420, 592197), (436, 570465), (545, 456372), (630, 394798), (654, 380310), (763, 325980), (981, 253540), (1090, 228186), (1260, 197399), (1308, 190155), (1526, 162990), (1635, 152124), (1811, 137340), (1962, 126770), (2180, 114093), (2289, 108660), (3052, 81495), (3270, 76062), (3622, 68670), (3815, 65196), (3924, 63385), (4578, 54330), (4905, 50708), (5433, 45780), (6540, 38031), (6867, 36220), (7244, 34335), (7630, 32598), (9055, 27468), (9156, 27165), (9810, 25354), (10866, 22890), (11445, 21732), (12677, 19620), (13734, 18110), (15260, 16299)]