161532940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 367589376

約数和(自身を除く): 206056436

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 73, 83, 86, 124, 146, 155, 166, 172, 215, 292, 310, 332, 365, 415, 430, 620, 730, 830, 860, 1333, 1460, 1660, 2263, 2573, 2666, 3139, 3569, 4526, 5146, 5332, 6059, 6278, 6665, 7138, 9052, 10292, 11315, 12118, 12556, 12865, 13330, 14276, 15695, 17845, 22630, 24236, 25730, 26660, 30295, 31390, 35690, 45260, 51460, 60590, 62780, 71380, 97309, 110639, 121180, 187829, 194618, 221278, 260537, 375658, 389236, 442556, 486545, 521074, 553195, 751316, 939145, 973090, 1042148, 1106390, 1302685, 1878290, 1946180, 2212780, 2605370, 3756580, 5210740, 8076647, 16153294, 32306588, 40383235, 80766470, 161532940]

約数ペア:

[(1, 161532940), (2, 80766470), (4, 40383235), (5, 32306588), (10, 16153294), (20, 8076647), (31, 5210740), (43, 3756580), (62, 2605370), (73, 2212780), (83, 1946180), (86, 1878290), (124, 1302685), (146, 1106390), (155, 1042148), (166, 973090), (172, 939145), (215, 751316), (292, 553195), (310, 521074), (332, 486545), (365, 442556), (415, 389236), (430, 375658), (620, 260537), (730, 221278), (830, 194618), (860, 187829), (1333, 121180), (1460, 110639), (1660, 97309), (2263, 71380), (2573, 62780), (2666, 60590), (3139, 51460), (3569, 45260), (4526, 35690), (5146, 31390), (5332, 30295), (6059, 26660), (6278, 25730), (6665, 24236), (7138, 22630), (9052, 17845), (10292, 15695), (11315, 14276), (12118, 13330), (12556, 12865)]