69968240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 170346240

約数和(自身を除く): 100378000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 89, 124, 155, 178, 248, 310, 317, 356, 445, 496, 620, 634, 712, 890, 1240, 1268, 1424, 1585, 1780, 2480, 2536, 2759, 3170, 3560, 5072, 5518, 6340, 7120, 9827, 11036, 12680, 13795, 19654, 22072, 25360, 27590, 28213, 39308, 44144, 49135, 55180, 56426, 78616, 98270, 110360, 112852, 141065, 157232, 196540, 220720, 225704, 282130, 393080, 451408, 564260, 786160, 874603, 1128520, 1749206, 2257040, 3498412, 4373015, 6996824, 8746030, 13993648, 17492060, 34984120, 69968240]

約数ペア:

[(1, 69968240), (2, 34984120), (4, 17492060), (5, 13993648), (8, 8746030), (10, 6996824), (16, 4373015), (20, 3498412), (31, 2257040), (40, 1749206), (62, 1128520), (80, 874603), (89, 786160), (124, 564260), (155, 451408), (178, 393080), (248, 282130), (310, 225704), (317, 220720), (356, 196540), (445, 157232), (496, 141065), (620, 112852), (634, 110360), (712, 98270), (890, 78616), (1240, 56426), (1268, 55180), (1424, 49135), (1585, 44144), (1780, 39308), (2480, 28213), (2536, 27590), (2759, 25360), (3170, 22072), (3560, 19654), (5072, 13795), (5518, 12680), (6340, 11036), (7120, 9827)]