218567640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5689

約数の個数: 128

約数和(自身を含む): 730944000

約数和(自身を除く): 512376360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 5639, 6460, 7752, 9690, 11278, 12920, 16917, 19380, 22556, 28195, 33834, 38760, 45112, 56390, 67668, 84585, 95863, 107141, 112780, 135336, 169170, 191726, 214282, 225560, 287589, 321423, 338340, 383452, 428564, 479315, 535705, 575178, 642846, 676680, 766904, 857128, 958630, 1071410, 1150356, 1285692, 1437945, 1607115, 1821397, 1917260, 2142820, 2300712, 2571384, 2875890, 3214230, 3642794, 3834520, 4285640, 5464191, 5751780, 6428460, 7285588, 9106985, 10928382, 11503560, 12856920, 14571176, 18213970, 21856764, 27320955, 36427940, 43713528, 54641910, 72855880, 109283820, 218567640]

約数ペア:

[(1, 218567640), (2, 109283820), (3, 72855880), (4, 54641910), (5, 43713528), (6, 36427940), (8, 27320955), (10, 21856764), (12, 18213970), (15, 14571176), (17, 12856920), (19, 11503560), (20, 10928382), (24, 9106985), (30, 7285588), (34, 6428460), (38, 5751780), (40, 5464191), (51, 4285640), (57, 3834520), (60, 3642794), (68, 3214230), (76, 2875890), (85, 2571384), (95, 2300712), (102, 2142820), (114, 1917260), (120, 1821397), (136, 1607115), (152, 1437945), (170, 1285692), (190, 1150356), (204, 1071410), (228, 958630), (255, 857128), (285, 766904), (323, 676680), (340, 642846), (380, 575178), (408, 535705), (456, 479315), (510, 428564), (570, 383452), (646, 338340), (680, 321423), (760, 287589), (969, 225560), (1020, 214282), (1140, 191726), (1292, 169170), (1615, 135336), (1938, 112780), (2040, 107141), (2280, 95863), (2584, 84585), (3230, 67668), (3876, 56390), (4845, 45112), (5639, 38760), (6460, 33834), (7752, 28195), (9690, 22556), (11278, 19380), (12920, 16917)]