131511920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 332359680

約数和(自身を除く): 200847760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2791, 2945, 4712, 5582, 5890, 9424, 11164, 11780, 13955, 22328, 23560, 27910, 44656, 47120, 53029, 55820, 86521, 106058, 111640, 173042, 212116, 223280, 265145, 346084, 424232, 432605, 530290, 692168, 848464, 865210, 1060580, 1384336, 1643899, 1730420, 2121160, 3287798, 3460840, 4242320, 6575596, 6921680, 8219495, 13151192, 16438990, 26302384, 32877980, 65755960, 131511920]

約数ペア:

[(1, 131511920), (2, 65755960), (4, 32877980), (5, 26302384), (8, 16438990), (10, 13151192), (16, 8219495), (19, 6921680), (20, 6575596), (31, 4242320), (38, 3460840), (40, 3287798), (62, 2121160), (76, 1730420), (80, 1643899), (95, 1384336), (124, 1060580), (152, 865210), (155, 848464), (190, 692168), (248, 530290), (304, 432605), (310, 424232), (380, 346084), (496, 265145), (589, 223280), (620, 212116), (760, 173042), (1178, 111640), (1240, 106058), (1520, 86521), (2356, 55820), (2480, 53029), (2791, 47120), (2945, 44656), (4712, 27910), (5582, 23560), (5890, 22328), (9424, 13955), (11164, 11780)]