15989025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 30720256

約数和(自身を除く): 14731231

約数列:

[1, 3, 5, 13, 15, 23, 25, 31, 39, 65, 69, 75, 93, 115, 155, 195, 299, 325, 345, 403, 465, 529, 575, 713, 775, 897, 975, 1209, 1495, 1587, 1725, 2015, 2139, 2325, 2645, 3565, 4485, 6045, 6877, 7475, 7935, 9269, 10075, 10695, 13225, 16399, 17825, 20631, 22425, 27807, 30225, 34385, 39675, 46345, 49197, 53475, 81995, 103155, 139035, 171925, 213187, 231725, 245985, 409975, 515775, 639561, 695175, 1065935, 1229925, 3197805, 5329675, 15989025]

約数ペア:

[(1, 15989025), (3, 5329675), (5, 3197805), (13, 1229925), (15, 1065935), (23, 695175), (25, 639561), (31, 515775), (39, 409975), (65, 245985), (69, 231725), (75, 213187), (93, 171925), (115, 139035), (155, 103155), (195, 81995), (299, 53475), (325, 49197), (345, 46345), (403, 39675), (465, 34385), (529, 30225), (575, 27807), (713, 22425), (775, 20631), (897, 17825), (975, 16399), (1209, 13225), (1495, 10695), (1587, 10075), (1725, 9269), (2015, 7935), (2139, 7475), (2325, 6877), (2645, 6045), (3565, 4485)]