218951880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{941}}^1$

素因数の和:1239

約数の個数: 128

約数和(自身を含む): 754202880

約数和(自身を除く): 535251000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 277, 280, 420, 554, 831, 840, 941, 1108, 1385, 1662, 1882, 1939, 2216, 2770, 2823, 3324, 3764, 3878, 4155, 4705, 5540, 5646, 5817, 6587, 6648, 7528, 7756, 8310, 9410, 9695, 11080, 11292, 11634, 13174, 14115, 15512, 16620, 18820, 19390, 19761, 22584, 23268, 26348, 28230, 29085, 32935, 33240, 37640, 38780, 39522, 46536, 52696, 56460, 58170, 65870, 77560, 79044, 98805, 112920, 116340, 131740, 158088, 197610, 232680, 260657, 263480, 395220, 521314, 781971, 790440, 1042628, 1303285, 1563942, 1824599, 2085256, 2606570, 3127884, 3649198, 3909855, 5213140, 5473797, 6255768, 7298396, 7819710, 9122995, 10426280, 10947594, 14596792, 15639420, 18245990, 21895188, 27368985, 31278840, 36491980, 43790376, 54737970, 72983960, 109475940, 218951880]

約数ペア:

[(1, 218951880), (2, 109475940), (3, 72983960), (4, 54737970), (5, 43790376), (6, 36491980), (7, 31278840), (8, 27368985), (10, 21895188), (12, 18245990), (14, 15639420), (15, 14596792), (20, 10947594), (21, 10426280), (24, 9122995), (28, 7819710), (30, 7298396), (35, 6255768), (40, 5473797), (42, 5213140), (56, 3909855), (60, 3649198), (70, 3127884), (84, 2606570), (105, 2085256), (120, 1824599), (140, 1563942), (168, 1303285), (210, 1042628), (277, 790440), (280, 781971), (420, 521314), (554, 395220), (831, 263480), (840, 260657), (941, 232680), (1108, 197610), (1385, 158088), (1662, 131740), (1882, 116340), (1939, 112920), (2216, 98805), (2770, 79044), (2823, 77560), (3324, 65870), (3764, 58170), (3878, 56460), (4155, 52696), (4705, 46536), (5540, 39522), (5646, 38780), (5817, 37640), (6587, 33240), (6648, 32935), (7528, 29085), (7756, 28230), (8310, 26348), (9410, 23268), (9695, 22584), (11080, 19761), (11292, 19390), (11634, 18820), (13174, 16620), (14115, 15512)]