64127840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1900

約数の個数: 96

約数和(自身を含む): 178827264

約数和(自身を除く): 114699424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1847, 2170, 2480, 3472, 3694, 4340, 4960, 6944, 7388, 8680, 9235, 12929, 14776, 17360, 18470, 25858, 29552, 34720, 36940, 51716, 57257, 59104, 64645, 73880, 103432, 114514, 129290, 147760, 206864, 229028, 258580, 286285, 295520, 400799, 413728, 458056, 517160, 572570, 801598, 916112, 1034320, 1145140, 1603196, 1832224, 2003995, 2068640, 2290280, 3206392, 4007990, 4580560, 6412784, 8015980, 9161120, 12825568, 16031960, 32063920, 64127840]

約数ペア:

[(1, 64127840), (2, 32063920), (4, 16031960), (5, 12825568), (7, 9161120), (8, 8015980), (10, 6412784), (14, 4580560), (16, 4007990), (20, 3206392), (28, 2290280), (31, 2068640), (32, 2003995), (35, 1832224), (40, 1603196), (56, 1145140), (62, 1034320), (70, 916112), (80, 801598), (112, 572570), (124, 517160), (140, 458056), (155, 413728), (160, 400799), (217, 295520), (224, 286285), (248, 258580), (280, 229028), (310, 206864), (434, 147760), (496, 129290), (560, 114514), (620, 103432), (868, 73880), (992, 64645), (1085, 59104), (1120, 57257), (1240, 51716), (1736, 36940), (1847, 34720), (2170, 29552), (2480, 25858), (3472, 18470), (3694, 17360), (4340, 14776), (4960, 12929), (6944, 9235), (7388, 8680)]