178890030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16427}}^1$

素因数の和:16462

約数の個数: 72

約数和(自身を含む): 511272216

約数和(自身を除く): 332382186

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 10890, 16427, 32854, 49281, 82135, 98562, 147843, 164270, 180697, 246405, 295686, 361394, 492810, 542091, 739215, 903485, 1084182, 1478430, 1626273, 1806970, 1987667, 2710455, 3252546, 3975334, 5420910, 5963001, 8131365, 9938335, 11926002, 16262730, 17889003, 19876670, 29815005, 35778006, 59630010, 89445015, 178890030]

約数ペア:

[(1, 178890030), (2, 89445015), (3, 59630010), (5, 35778006), (6, 29815005), (9, 19876670), (10, 17889003), (11, 16262730), (15, 11926002), (18, 9938335), (22, 8131365), (30, 5963001), (33, 5420910), (45, 3975334), (55, 3252546), (66, 2710455), (90, 1987667), (99, 1806970), (110, 1626273), (121, 1478430), (165, 1084182), (198, 903485), (242, 739215), (330, 542091), (363, 492810), (495, 361394), (605, 295686), (726, 246405), (990, 180697), (1089, 164270), (1210, 147843), (1815, 98562), (2178, 82135), (3630, 49281), (5445, 32854), (10890, 16427)]