72874980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4549}}^1$

素因数の和:4653

約数の個数: 72

約数和(自身を含む): 223587000

約数和(自身を除く): 150712020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4549, 5340, 8010, 9098, 13647, 16020, 18196, 22745, 27294, 40941, 45490, 54588, 68235, 81882, 90980, 136470, 163764, 204705, 272940, 404861, 409410, 809722, 818820, 1214583, 1619444, 2024305, 2429166, 3643749, 4048610, 4858332, 6072915, 7287498, 8097220, 12145830, 14574996, 18218745, 24291660, 36437490, 72874980]

約数ペア:

[(1, 72874980), (2, 36437490), (3, 24291660), (4, 18218745), (5, 14574996), (6, 12145830), (9, 8097220), (10, 7287498), (12, 6072915), (15, 4858332), (18, 4048610), (20, 3643749), (30, 2429166), (36, 2024305), (45, 1619444), (60, 1214583), (89, 818820), (90, 809722), (178, 409410), (180, 404861), (267, 272940), (356, 204705), (445, 163764), (534, 136470), (801, 90980), (890, 81882), (1068, 68235), (1335, 54588), (1602, 45490), (1780, 40941), (2670, 27294), (3204, 22745), (4005, 18196), (4549, 16020), (5340, 13647), (8010, 9098)]