15909790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 34183296

約数和(自身を除く): 18273506

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 313, 391, 442, 598, 626, 782, 1105, 1495, 1565, 1955, 2210, 2990, 3130, 3910, 4069, 5083, 5321, 7199, 8138, 10166, 10642, 14398, 20345, 25415, 26605, 35995, 40690, 50830, 53210, 69173, 71990, 93587, 122383, 138346, 187174, 244766, 345865, 467935, 611915, 691730, 935870, 1223830, 1590979, 3181958, 7954895, 15909790]

約数ペア:

[(1, 15909790), (2, 7954895), (5, 3181958), (10, 1590979), (13, 1223830), (17, 935870), (23, 691730), (26, 611915), (34, 467935), (46, 345865), (65, 244766), (85, 187174), (115, 138346), (130, 122383), (170, 93587), (221, 71990), (230, 69173), (299, 53210), (313, 50830), (391, 40690), (442, 35995), (598, 26605), (626, 25415), (782, 20345), (1105, 14398), (1495, 10642), (1565, 10166), (1955, 8138), (2210, 7199), (2990, 5321), (3130, 5083), (3910, 4069)]