40154940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{3541}}^1$

素因数の和:3569

約数の個数: 120

約数和(自身を含む): 144003552

約数和(自身を除く): 103848612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3541, 3780, 5670, 7082, 10623, 11340, 14164, 17705, 21246, 24787, 31869, 35410, 42492, 49574, 53115, 63738, 70820, 74361, 95607, 99148, 106230, 123935, 127476, 148722, 159345, 191214, 212460, 223083, 247870, 286821, 297444, 318690, 371805, 382428, 446166, 478035, 495740, 573642, 637380, 669249, 743610, 892332, 956070, 1115415, 1147284, 1338498, 1434105, 1487220, 1912140, 2007747, 2230830, 2676996, 2868210, 3346245, 4015494, 4461660, 5736420, 6692490, 8030988, 10038735, 13384980, 20077470, 40154940]

約数ペア:

[(1, 40154940), (2, 20077470), (3, 13384980), (4, 10038735), (5, 8030988), (6, 6692490), (7, 5736420), (9, 4461660), (10, 4015494), (12, 3346245), (14, 2868210), (15, 2676996), (18, 2230830), (20, 2007747), (21, 1912140), (27, 1487220), (28, 1434105), (30, 1338498), (35, 1147284), (36, 1115415), (42, 956070), (45, 892332), (54, 743610), (60, 669249), (63, 637380), (70, 573642), (81, 495740), (84, 478035), (90, 446166), (105, 382428), (108, 371805), (126, 318690), (135, 297444), (140, 286821), (162, 247870), (180, 223083), (189, 212460), (210, 191214), (252, 159345), (270, 148722), (315, 127476), (324, 123935), (378, 106230), (405, 99148), (420, 95607), (540, 74361), (567, 70820), (630, 63738), (756, 53115), (810, 49574), (945, 42492), (1134, 35410), (1260, 31869), (1620, 24787), (1890, 21246), (2268, 17705), (2835, 14164), (3541, 11340), (3780, 10623), (5670, 7082)]