28670940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3389}}^1$

素因数の和:3451

約数の個数: 72

約数和(自身を含む): 88845120

約数和(自身を除く): 60174180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 3389, 4230, 6778, 8460, 10167, 13556, 16945, 20334, 30501, 33890, 40668, 50835, 61002, 67780, 101670, 122004, 152505, 159283, 203340, 305010, 318566, 477849, 610020, 637132, 796415, 955698, 1433547, 1592830, 1911396, 2389245, 2867094, 3185660, 4778490, 5734188, 7167735, 9556980, 14335470, 28670940]

約数ペア:

[(1, 28670940), (2, 14335470), (3, 9556980), (4, 7167735), (5, 5734188), (6, 4778490), (9, 3185660), (10, 2867094), (12, 2389245), (15, 1911396), (18, 1592830), (20, 1433547), (30, 955698), (36, 796415), (45, 637132), (47, 610020), (60, 477849), (90, 318566), (94, 305010), (141, 203340), (180, 159283), (188, 152505), (235, 122004), (282, 101670), (423, 67780), (470, 61002), (564, 50835), (705, 40668), (846, 33890), (940, 30501), (1410, 20334), (1692, 16945), (2115, 13556), (2820, 10167), (3389, 8460), (4230, 6778)]