1390017720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127291}}^1$

素因数の和:127325

約数の個数: 128

約数和(自身を含む): 5132413440

約数和(自身を除く): 3742395720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 127291, 254582, 381873, 509164, 636455, 763746, 891037, 1018328, 1272910, 1527492, 1654783, 1782074, 1909365, 2545820, 2673111, 3054984, 3309566, 3564148, 3818730, 4455185, 4964349, 5091640, 5346222, 6619132, 7128296, 7637460, 8273915, 8910370, 9928698, 10692444, 11583481, 13238264, 13365555, 15274920, 16547830, 17820740, 19857396, 21384888, 23166962, 24821745, 26731110, 33095660, 34750443, 35641480, 39714792, 46333924, 49643490, 53462220, 57917405, 66191320, 69500886, 92667848, 99286980, 106924440, 115834810, 139001772, 173752215, 198573960, 231669620, 278003544, 347504430, 463339240, 695008860, 1390017720]

約数ペア:

[(1, 1390017720), (2, 695008860), (3, 463339240), (4, 347504430), (5, 278003544), (6, 231669620), (7, 198573960), (8, 173752215), (10, 139001772), (12, 115834810), (13, 106924440), (14, 99286980), (15, 92667848), (20, 69500886), (21, 66191320), (24, 57917405), (26, 53462220), (28, 49643490), (30, 46333924), (35, 39714792), (39, 35641480), (40, 34750443), (42, 33095660), (52, 26731110), (56, 24821745), (60, 23166962), (65, 21384888), (70, 19857396), (78, 17820740), (84, 16547830), (91, 15274920), (104, 13365555), (105, 13238264), (120, 11583481), (130, 10692444), (140, 9928698), (156, 8910370), (168, 8273915), (182, 7637460), (195, 7128296), (210, 6619132), (260, 5346222), (273, 5091640), (280, 4964349), (312, 4455185), (364, 3818730), (390, 3564148), (420, 3309566), (455, 3054984), (520, 2673111), (546, 2545820), (728, 1909365), (780, 1782074), (840, 1654783), (910, 1527492), (1092, 1272910), (1365, 1018328), (1560, 891037), (1820, 763746), (2184, 636455), (2730, 509164), (3640, 381873), (5460, 254582), (10920, 127291)]