348112640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:366

約数の個数: 108

約数和(自身を含む): 864648792

約数和(自身を除く): 516536152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 283, 310, 320, 496, 566, 620, 640, 961, 992, 1132, 1240, 1280, 1415, 1922, 1984, 2264, 2480, 2830, 3844, 3968, 4528, 4805, 4960, 5660, 7688, 7936, 8773, 9056, 9610, 9920, 11320, 15376, 17546, 18112, 19220, 19840, 22640, 30752, 35092, 36224, 38440, 39680, 43865, 45280, 61504, 70184, 72448, 76880, 87730, 90560, 123008, 140368, 153760, 175460, 181120, 246016, 271963, 280736, 307520, 350920, 362240, 543926, 561472, 615040, 701840, 1087852, 1122944, 1230080, 1359815, 1403680, 2175704, 2245888, 2719630, 2807360, 4351408, 5439260, 5614720, 8702816, 10878520, 11229440, 17405632, 21757040, 34811264, 43514080, 69622528, 87028160, 174056320, 348112640]

約数ペア:

[(1, 348112640), (2, 174056320), (4, 87028160), (5, 69622528), (8, 43514080), (10, 34811264), (16, 21757040), (20, 17405632), (31, 11229440), (32, 10878520), (40, 8702816), (62, 5614720), (64, 5439260), (80, 4351408), (124, 2807360), (128, 2719630), (155, 2245888), (160, 2175704), (248, 1403680), (256, 1359815), (283, 1230080), (310, 1122944), (320, 1087852), (496, 701840), (566, 615040), (620, 561472), (640, 543926), (961, 362240), (992, 350920), (1132, 307520), (1240, 280736), (1280, 271963), (1415, 246016), (1922, 181120), (1984, 175460), (2264, 153760), (2480, 140368), (2830, 123008), (3844, 90560), (3968, 87730), (4528, 76880), (4805, 72448), (4960, 70184), (5660, 61504), (7688, 45280), (7936, 43865), (8773, 39680), (9056, 38440), (9610, 36224), (9920, 35092), (11320, 30752), (15376, 22640), (17546, 19840), (18112, 19220)]