660001770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1427}}^1$

素因数の和:2017

約数の個数: 80

約数和(自身を含む): 1779025248

約数和(自身を除く): 1119023478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 571, 810, 1142, 1427, 1713, 2854, 2855, 3426, 4281, 5139, 5710, 7135, 8562, 8565, 10278, 12843, 14270, 15417, 17130, 21405, 25686, 25695, 30834, 38529, 42810, 46251, 51390, 64215, 77058, 77085, 92502, 115587, 128430, 154170, 192645, 231174, 231255, 385290, 462510, 577935, 814817, 1155870, 1629634, 2444451, 4074085, 4888902, 7333353, 8148170, 12222255, 14666706, 22000059, 24444510, 36666765, 44000118, 66000177, 73333530, 110000295, 132000354, 220000590, 330000885, 660001770]

約数ペア:

[(1, 660001770), (2, 330000885), (3, 220000590), (5, 132000354), (6, 110000295), (9, 73333530), (10, 66000177), (15, 44000118), (18, 36666765), (27, 24444510), (30, 22000059), (45, 14666706), (54, 12222255), (81, 8148170), (90, 7333353), (135, 4888902), (162, 4074085), (270, 2444451), (405, 1629634), (571, 1155870), (810, 814817), (1142, 577935), (1427, 462510), (1713, 385290), (2854, 231255), (2855, 231174), (3426, 192645), (4281, 154170), (5139, 128430), (5710, 115587), (7135, 92502), (8562, 77085), (8565, 77058), (10278, 64215), (12843, 51390), (14270, 46251), (15417, 42810), (17130, 38529), (21405, 30834), (25686, 25695)]