1230700720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53231}}^1$

素因数の和:53278

約数の個数: 60

約数和(自身を含む): 3039653664

約数和(自身を除く): 1808952944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 11560, 23120, 53231, 106462, 212924, 266155, 425848, 532310, 851696, 904927, 1064620, 1809854, 2129240, 3619708, 4258480, 4524635, 7239416, 9049270, 14478832, 15383759, 18098540, 30767518, 36197080, 61535036, 72394160, 76918795, 123070072, 153837590, 246140144, 307675180, 615350360, 1230700720]

約数ペア:

[(1, 1230700720), (2, 615350360), (4, 307675180), (5, 246140144), (8, 153837590), (10, 123070072), (16, 76918795), (17, 72394160), (20, 61535036), (34, 36197080), (40, 30767518), (68, 18098540), (80, 15383759), (85, 14478832), (136, 9049270), (170, 7239416), (272, 4524635), (289, 4258480), (340, 3619708), (578, 2129240), (680, 1809854), (1156, 1064620), (1360, 904927), (1445, 851696), (2312, 532310), (2890, 425848), (4624, 266155), (5780, 212924), (11560, 106462), (23120, 53231)]