18230120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 46418400

約数和(自身を除く): 28188280

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 83, 85, 95, 136, 152, 166, 170, 190, 289, 323, 332, 340, 380, 415, 578, 646, 664, 680, 760, 830, 1156, 1292, 1411, 1445, 1577, 1615, 1660, 2312, 2584, 2822, 2890, 3154, 3230, 3320, 5491, 5644, 5780, 6308, 6460, 7055, 7885, 10982, 11288, 11560, 12616, 12920, 14110, 15770, 21964, 23987, 26809, 27455, 28220, 31540, 43928, 47974, 53618, 54910, 56440, 63080, 95948, 107236, 109820, 119935, 134045, 191896, 214472, 219640, 239870, 268090, 455753, 479740, 536180, 911506, 959480, 1072360, 1823012, 2278765, 3646024, 4557530, 9115060, 18230120]

約数ペア:

[(1, 18230120), (2, 9115060), (4, 4557530), (5, 3646024), (8, 2278765), (10, 1823012), (17, 1072360), (19, 959480), (20, 911506), (34, 536180), (38, 479740), (40, 455753), (68, 268090), (76, 239870), (83, 219640), (85, 214472), (95, 191896), (136, 134045), (152, 119935), (166, 109820), (170, 107236), (190, 95948), (289, 63080), (323, 56440), (332, 54910), (340, 53618), (380, 47974), (415, 43928), (578, 31540), (646, 28220), (664, 27455), (680, 26809), (760, 23987), (830, 21964), (1156, 15770), (1292, 14110), (1411, 12920), (1445, 12616), (1577, 11560), (1615, 11288), (1660, 10982), (2312, 7885), (2584, 7055), (2822, 6460), (2890, 6308), (3154, 5780), (3230, 5644), (3320, 5491)]