17978640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3296

約数の個数: 80

約数和(自身を含む): 58174848

約数和(自身を除く): 40196208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3257, 5520, 6514, 9771, 13028, 16285, 19542, 26056, 32570, 39084, 48855, 52112, 65140, 74911, 78168, 97710, 130280, 149822, 156336, 195420, 224733, 260560, 299644, 374555, 390840, 449466, 599288, 749110, 781680, 898932, 1123665, 1198576, 1498220, 1797864, 2247330, 2996440, 3595728, 4494660, 5992880, 8989320, 17978640]

約数ペア:

[(1, 17978640), (2, 8989320), (3, 5992880), (4, 4494660), (5, 3595728), (6, 2996440), (8, 2247330), (10, 1797864), (12, 1498220), (15, 1198576), (16, 1123665), (20, 898932), (23, 781680), (24, 749110), (30, 599288), (40, 449466), (46, 390840), (48, 374555), (60, 299644), (69, 260560), (80, 224733), (92, 195420), (115, 156336), (120, 149822), (138, 130280), (184, 97710), (230, 78168), (240, 74911), (276, 65140), (345, 52112), (368, 48855), (460, 39084), (552, 32570), (690, 26056), (920, 19542), (1104, 16285), (1380, 13028), (1840, 9771), (2760, 6514), (3257, 5520)]