67984240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 165703680

約数和(自身を除く): 97719440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 347, 395, 496, 620, 632, 694, 790, 1240, 1264, 1388, 1580, 1735, 2449, 2480, 2776, 3160, 3470, 4898, 5552, 6320, 6940, 9796, 10757, 12245, 13880, 19592, 21514, 24490, 27413, 27760, 39184, 43028, 48980, 53785, 54826, 86056, 97960, 107570, 109652, 137065, 172112, 195920, 215140, 219304, 274130, 430280, 438608, 548260, 849803, 860560, 1096520, 1699606, 2193040, 3399212, 4249015, 6798424, 8498030, 13596848, 16996060, 33992120, 67984240]

約数ペア:

[(1, 67984240), (2, 33992120), (4, 16996060), (5, 13596848), (8, 8498030), (10, 6798424), (16, 4249015), (20, 3399212), (31, 2193040), (40, 1699606), (62, 1096520), (79, 860560), (80, 849803), (124, 548260), (155, 438608), (158, 430280), (248, 274130), (310, 219304), (316, 215140), (347, 195920), (395, 172112), (496, 137065), (620, 109652), (632, 107570), (694, 97960), (790, 86056), (1240, 54826), (1264, 53785), (1388, 48980), (1580, 43028), (1735, 39184), (2449, 27760), (2480, 27413), (2776, 24490), (3160, 21514), (3470, 19592), (4898, 13880), (5552, 12245), (6320, 10757), (6940, 9796)]