40407960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 127733760

約数和(自身を除く): 87325800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 191, 205, 215, 246, 258, 328, 344, 382, 410, 430, 492, 516, 573, 615, 645, 764, 820, 860, 955, 984, 1032, 1146, 1230, 1290, 1528, 1640, 1720, 1763, 1910, 2292, 2460, 2580, 2865, 3526, 3820, 4584, 4920, 5160, 5289, 5730, 7052, 7640, 7831, 8213, 8815, 10578, 11460, 14104, 15662, 16426, 17630, 21156, 22920, 23493, 24639, 26445, 31324, 32852, 35260, 39155, 41065, 42312, 46986, 49278, 52890, 62648, 65704, 70520, 78310, 82130, 93972, 98556, 105780, 117465, 123195, 156620, 164260, 187944, 197112, 211560, 234930, 246390, 313240, 328520, 336733, 469860, 492780, 673466, 939720, 985560, 1010199, 1346932, 1683665, 2020398, 2693864, 3367330, 4040796, 5050995, 6734660, 8081592, 10101990, 13469320, 20203980, 40407960]

約数ペア:

[(1, 40407960), (2, 20203980), (3, 13469320), (4, 10101990), (5, 8081592), (6, 6734660), (8, 5050995), (10, 4040796), (12, 3367330), (15, 2693864), (20, 2020398), (24, 1683665), (30, 1346932), (40, 1010199), (41, 985560), (43, 939720), (60, 673466), (82, 492780), (86, 469860), (120, 336733), (123, 328520), (129, 313240), (164, 246390), (172, 234930), (191, 211560), (205, 197112), (215, 187944), (246, 164260), (258, 156620), (328, 123195), (344, 117465), (382, 105780), (410, 98556), (430, 93972), (492, 82130), (516, 78310), (573, 70520), (615, 65704), (645, 62648), (764, 52890), (820, 49278), (860, 46986), (955, 42312), (984, 41065), (1032, 39155), (1146, 35260), (1230, 32852), (1290, 31324), (1528, 26445), (1640, 24639), (1720, 23493), (1763, 22920), (1910, 21156), (2292, 17630), (2460, 16426), (2580, 15662), (2865, 14104), (3526, 11460), (3820, 10578), (4584, 8815), (4920, 8213), (5160, 7831), (5289, 7640), (5730, 7052)]