156967460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2089}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 377278440

約数和(自身を除く): 220310980

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1105, 1156, 1445, 2089, 2210, 2890, 3757, 4178, 4420, 5780, 7514, 8356, 10445, 15028, 18785, 20890, 27157, 35513, 37570, 41780, 54314, 71026, 75140, 108628, 135785, 142052, 177565, 271570, 355130, 461669, 543140, 603721, 710260, 923338, 1207442, 1846676, 2308345, 2414884, 3018605, 4616690, 6037210, 7848373, 9233380, 12074420, 15696746, 31393492, 39241865, 78483730, 156967460]

約数ペア:

[(1, 156967460), (2, 78483730), (4, 39241865), (5, 31393492), (10, 15696746), (13, 12074420), (17, 9233380), (20, 7848373), (26, 6037210), (34, 4616690), (52, 3018605), (65, 2414884), (68, 2308345), (85, 1846676), (130, 1207442), (170, 923338), (221, 710260), (260, 603721), (289, 543140), (340, 461669), (442, 355130), (578, 271570), (884, 177565), (1105, 142052), (1156, 135785), (1445, 108628), (2089, 75140), (2210, 71026), (2890, 54314), (3757, 41780), (4178, 37570), (4420, 35513), (5780, 27157), (7514, 20890), (8356, 18785), (10445, 15028)]