71806240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3709}}^1$

素因数の和:3746

約数の個数: 72

約数和(自身を含む): 186516540

約数和(自身を除く): 114710300

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3709, 3872, 4840, 7418, 9680, 14836, 18545, 19360, 29672, 37090, 40799, 59344, 74180, 81598, 118688, 148360, 163196, 203995, 296720, 326392, 407990, 448789, 593440, 652784, 815980, 897578, 1305568, 1631960, 1795156, 2243945, 3263920, 3590312, 4487890, 6527840, 7180624, 8975780, 14361248, 17951560, 35903120, 71806240]

約数ペア:

[(1, 71806240), (2, 35903120), (4, 17951560), (5, 14361248), (8, 8975780), (10, 7180624), (11, 6527840), (16, 4487890), (20, 3590312), (22, 3263920), (32, 2243945), (40, 1795156), (44, 1631960), (55, 1305568), (80, 897578), (88, 815980), (110, 652784), (121, 593440), (160, 448789), (176, 407990), (220, 326392), (242, 296720), (352, 203995), (440, 163196), (484, 148360), (605, 118688), (880, 81598), (968, 74180), (1210, 59344), (1760, 40799), (1936, 37090), (2420, 29672), (3709, 19360), (3872, 18545), (4840, 14836), (7418, 9680)]