18144450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 72

約数和(自身を含む): 49622196

約数和(自身を除く): 31477746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 61, 75, 90, 122, 150, 183, 225, 305, 366, 450, 549, 610, 661, 915, 1098, 1322, 1525, 1830, 1983, 2745, 3050, 3305, 3966, 4575, 5490, 5949, 6610, 9150, 9915, 11898, 13725, 16525, 19830, 27450, 29745, 33050, 40321, 49575, 59490, 80642, 99150, 120963, 148725, 201605, 241926, 297450, 362889, 403210, 604815, 725778, 1008025, 1209630, 1814445, 2016050, 3024075, 3628890, 6048150, 9072225, 18144450]

約数ペア:

[(1, 18144450), (2, 9072225), (3, 6048150), (5, 3628890), (6, 3024075), (9, 2016050), (10, 1814445), (15, 1209630), (18, 1008025), (25, 725778), (30, 604815), (45, 403210), (50, 362889), (61, 297450), (75, 241926), (90, 201605), (122, 148725), (150, 120963), (183, 99150), (225, 80642), (305, 59490), (366, 49575), (450, 40321), (549, 33050), (610, 29745), (661, 27450), (915, 19830), (1098, 16525), (1322, 13725), (1525, 11898), (1830, 9915), (1983, 9150), (2745, 6610), (3050, 5949), (3305, 5490), (3966, 4575)]