72638160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43237}}^1$

素因数の和:43260

約数の個数: 80

約数和(自身を含む): 257352576

約数和(自身を除く): 184714416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43237, 86474, 129711, 172948, 216185, 259422, 302659, 345896, 432370, 518844, 605318, 648555, 691792, 864740, 907977, 1037688, 1210636, 1297110, 1513295, 1729480, 1815954, 2075376, 2421272, 2594220, 3026590, 3458960, 3631908, 4539885, 4842544, 5188440, 6053180, 7263816, 9079770, 10376880, 12106360, 14527632, 18159540, 24212720, 36319080, 72638160]

約数ペア:

[(1, 72638160), (2, 36319080), (3, 24212720), (4, 18159540), (5, 14527632), (6, 12106360), (7, 10376880), (8, 9079770), (10, 7263816), (12, 6053180), (14, 5188440), (15, 4842544), (16, 4539885), (20, 3631908), (21, 3458960), (24, 3026590), (28, 2594220), (30, 2421272), (35, 2075376), (40, 1815954), (42, 1729480), (48, 1513295), (56, 1297110), (60, 1210636), (70, 1037688), (80, 907977), (84, 864740), (105, 691792), (112, 648555), (120, 605318), (140, 518844), (168, 432370), (210, 345896), (240, 302659), (280, 259422), (336, 216185), (420, 172948), (560, 129711), (840, 86474), (1680, 43237)]