144400720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 359776080

約数和(自身を除く): 215375360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 890, 1193, 1360, 1424, 1513, 1780, 2386, 3026, 3560, 4772, 5965, 6052, 7120, 7565, 9544, 11930, 12104, 15130, 19088, 20281, 23860, 24208, 30260, 40562, 47720, 60520, 81124, 95440, 101405, 106177, 121040, 162248, 202810, 212354, 324496, 405620, 424708, 530885, 811240, 849416, 1061770, 1622480, 1698832, 1805009, 2123540, 3610018, 4247080, 7220036, 8494160, 9025045, 14440072, 18050090, 28880144, 36100180, 72200360, 144400720]

約数ペア:

[(1, 144400720), (2, 72200360), (4, 36100180), (5, 28880144), (8, 18050090), (10, 14440072), (16, 9025045), (17, 8494160), (20, 7220036), (34, 4247080), (40, 3610018), (68, 2123540), (80, 1805009), (85, 1698832), (89, 1622480), (136, 1061770), (170, 849416), (178, 811240), (272, 530885), (340, 424708), (356, 405620), (445, 324496), (680, 212354), (712, 202810), (890, 162248), (1193, 121040), (1360, 106177), (1424, 101405), (1513, 95440), (1780, 81124), (2386, 60520), (3026, 47720), (3560, 40562), (4772, 30260), (5965, 24208), (6052, 23860), (7120, 20281), (7565, 19088), (9544, 15130), (11930, 12104)]