1181151920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{2039}}^1$

素因数の和:2622

約数の個数: 80

約数和(自身を含む): 2964185280

約数和(自身を除く): 1783033360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 557, 1040, 1114, 2039, 2228, 2785, 4078, 4456, 5570, 7241, 8156, 8912, 10195, 11140, 14482, 16312, 20390, 22280, 26507, 28964, 32624, 36205, 40780, 44560, 53014, 57928, 72410, 81560, 106028, 115856, 132535, 144820, 163120, 212056, 265070, 289640, 424112, 530140, 579280, 1060280, 1135723, 2120560, 2271446, 4542892, 5678615, 9085784, 11357230, 14764399, 18171568, 22714460, 29528798, 45428920, 59057596, 73821995, 90857840, 118115192, 147643990, 236230384, 295287980, 590575960, 1181151920]

約数ペア:

[(1, 1181151920), (2, 590575960), (4, 295287980), (5, 236230384), (8, 147643990), (10, 118115192), (13, 90857840), (16, 73821995), (20, 59057596), (26, 45428920), (40, 29528798), (52, 22714460), (65, 18171568), (80, 14764399), (104, 11357230), (130, 9085784), (208, 5678615), (260, 4542892), (520, 2271446), (557, 2120560), (1040, 1135723), (1114, 1060280), (2039, 579280), (2228, 530140), (2785, 424112), (4078, 289640), (4456, 265070), (5570, 212056), (7241, 163120), (8156, 144820), (8912, 132535), (10195, 115856), (11140, 106028), (14482, 81560), (16312, 72410), (20390, 57928), (22280, 53014), (26507, 44560), (28964, 40780), (32624, 36205)]