71018240

素因数分解:

$2^8\times 5^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 171965808

約数和(自身を除く): 100947568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 320, 452, 491, 565, 640, 904, 982, 1130, 1280, 1808, 1964, 2260, 2455, 3616, 3928, 4520, 4910, 7232, 7856, 9040, 9820, 14464, 15712, 18080, 19640, 28928, 31424, 36160, 39280, 55483, 62848, 72320, 78560, 110966, 125696, 144640, 157120, 221932, 277415, 314240, 443864, 554830, 628480, 887728, 1109660, 1775456, 2219320, 3550912, 4438640, 7101824, 8877280, 14203648, 17754560, 35509120, 71018240]

約数ペア:

[(1, 71018240), (2, 35509120), (4, 17754560), (5, 14203648), (8, 8877280), (10, 7101824), (16, 4438640), (20, 3550912), (32, 2219320), (40, 1775456), (64, 1109660), (80, 887728), (113, 628480), (128, 554830), (160, 443864), (226, 314240), (256, 277415), (320, 221932), (452, 157120), (491, 144640), (565, 125696), (640, 110966), (904, 78560), (982, 72320), (1130, 62848), (1280, 55483), (1808, 39280), (1964, 36160), (2260, 31424), (2455, 28928), (3616, 19640), (3928, 18080), (4520, 15712), (4910, 14464), (7232, 9820), (7856, 9040)]