661875792

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:673

約数の個数: 160

約数和(自身を含む): 1906544640

約数和(自身を除く): 1244668848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 41, 48, 57, 62, 76, 82, 93, 114, 123, 124, 152, 164, 186, 228, 246, 248, 304, 328, 372, 456, 492, 496, 571, 589, 656, 744, 779, 912, 984, 1142, 1178, 1271, 1488, 1558, 1713, 1767, 1968, 2284, 2337, 2356, 2542, 3116, 3426, 3534, 3813, 4568, 4674, 4712, 5084, 6232, 6852, 7068, 7626, 9136, 9348, 9424, 10168, 10849, 12464, 13704, 14136, 15252, 17701, 18696, 20336, 21698, 23411, 24149, 27408, 28272, 30504, 32547, 35402, 37392, 43396, 46822, 48298, 53103, 61008, 65094, 70233, 70804, 72447, 86792, 93644, 96596, 106206, 130188, 140466, 141608, 144894, 173584, 187288, 193192, 212412, 260376, 280932, 283216, 289788, 336319, 374576, 386384, 424824, 444809, 520752, 561864, 579576, 672638, 725741, 849648, 889618, 1008957, 1123728, 1159152, 1334427, 1345276, 1451482, 1779236, 2017914, 2177223, 2668854, 2690552, 2902964, 3558472, 4035828, 4354446, 5337708, 5381104, 5805928, 7116944, 8071656, 8708892, 10675416, 11611856, 13789079, 16143312, 17417784, 21350832, 27578158, 34835568, 41367237, 55156316, 82734474, 110312632, 165468948, 220625264, 330937896, 661875792]

約数ペア:

[(1, 661875792), (2, 330937896), (3, 220625264), (4, 165468948), (6, 110312632), (8, 82734474), (12, 55156316), (16, 41367237), (19, 34835568), (24, 27578158), (31, 21350832), (38, 17417784), (41, 16143312), (48, 13789079), (57, 11611856), (62, 10675416), (76, 8708892), (82, 8071656), (93, 7116944), (114, 5805928), (123, 5381104), (124, 5337708), (152, 4354446), (164, 4035828), (186, 3558472), (228, 2902964), (246, 2690552), (248, 2668854), (304, 2177223), (328, 2017914), (372, 1779236), (456, 1451482), (492, 1345276), (496, 1334427), (571, 1159152), (589, 1123728), (656, 1008957), (744, 889618), (779, 849648), (912, 725741), (984, 672638), (1142, 579576), (1178, 561864), (1271, 520752), (1488, 444809), (1558, 424824), (1713, 386384), (1767, 374576), (1968, 336319), (2284, 289788), (2337, 283216), (2356, 280932), (2542, 260376), (3116, 212412), (3426, 193192), (3534, 187288), (3813, 173584), (4568, 144894), (4674, 141608), (4712, 140466), (5084, 130188), (6232, 106206), (6852, 96596), (7068, 93644), (7626, 86792), (9136, 72447), (9348, 70804), (9424, 70233), (10168, 65094), (10849, 61008), (12464, 53103), (13704, 48298), (14136, 46822), (15252, 43396), (17701, 37392), (18696, 35402), (20336, 32547), (21698, 30504), (23411, 28272), (24149, 27408)]