91791620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 214050816

約数和(自身を除く): 122259196

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 41, 46, 62, 82, 92, 115, 124, 155, 157, 164, 205, 230, 310, 314, 410, 460, 620, 628, 713, 785, 820, 943, 1271, 1426, 1570, 1886, 2542, 2852, 3140, 3565, 3611, 3772, 4715, 4867, 5084, 6355, 6437, 7130, 7222, 9430, 9734, 12710, 12874, 14260, 14444, 18055, 18860, 19468, 24335, 25420, 25748, 29233, 32185, 36110, 48670, 58466, 64370, 72220, 97340, 111941, 116932, 128740, 146165, 148051, 199547, 223882, 292330, 296102, 399094, 447764, 559705, 584660, 592204, 740255, 798188, 997735, 1119410, 1480510, 1995470, 2238820, 2961020, 3990940, 4589581, 9179162, 18358324, 22947905, 45895810, 91791620]

約数ペア:

[(1, 91791620), (2, 45895810), (4, 22947905), (5, 18358324), (10, 9179162), (20, 4589581), (23, 3990940), (31, 2961020), (41, 2238820), (46, 1995470), (62, 1480510), (82, 1119410), (92, 997735), (115, 798188), (124, 740255), (155, 592204), (157, 584660), (164, 559705), (205, 447764), (230, 399094), (310, 296102), (314, 292330), (410, 223882), (460, 199547), (620, 148051), (628, 146165), (713, 128740), (785, 116932), (820, 111941), (943, 97340), (1271, 72220), (1426, 64370), (1570, 58466), (1886, 48670), (2542, 36110), (2852, 32185), (3140, 29233), (3565, 25748), (3611, 25420), (3772, 24335), (4715, 19468), (4867, 18860), (5084, 18055), (6355, 14444), (6437, 14260), (7130, 12874), (7222, 12710), (9430, 9734)]