15764775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 31664640

約数和(自身を除く): 15899865

約数列:

[1, 3, 5, 13, 15, 19, 23, 25, 37, 39, 57, 65, 69, 75, 95, 111, 115, 185, 195, 247, 285, 299, 325, 345, 437, 475, 481, 555, 575, 703, 741, 851, 897, 925, 975, 1235, 1311, 1425, 1443, 1495, 1725, 2109, 2185, 2405, 2553, 2775, 3515, 3705, 4255, 4485, 5681, 6175, 6555, 7215, 7475, 9139, 10545, 10925, 11063, 12025, 12765, 16169, 17043, 17575, 18525, 21275, 22425, 27417, 28405, 32775, 33189, 36075, 45695, 48507, 52725, 55315, 63825, 80845, 85215, 137085, 142025, 165945, 210197, 228475, 242535, 276575, 404225, 426075, 630591, 685425, 829725, 1050985, 1212675, 3152955, 5254925, 15764775]

約数ペア:

[(1, 15764775), (3, 5254925), (5, 3152955), (13, 1212675), (15, 1050985), (19, 829725), (23, 685425), (25, 630591), (37, 426075), (39, 404225), (57, 276575), (65, 242535), (69, 228475), (75, 210197), (95, 165945), (111, 142025), (115, 137085), (185, 85215), (195, 80845), (247, 63825), (285, 55315), (299, 52725), (325, 48507), (345, 45695), (437, 36075), (475, 33189), (481, 32775), (555, 28405), (575, 27417), (703, 22425), (741, 21275), (851, 18525), (897, 17575), (925, 17043), (975, 16169), (1235, 12765), (1311, 12025), (1425, 11063), (1443, 10925), (1495, 10545), (1725, 9139), (2109, 7475), (2185, 7215), (2405, 6555), (2553, 6175), (2775, 5681), (3515, 4485), (3705, 4255)]