15390375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:90

約数の個数: 128

約数和(自身を含む): 35223552

約数和(自身を除く): 19833177

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 41, 55, 65, 75, 77, 91, 105, 123, 125, 143, 165, 175, 195, 205, 231, 273, 275, 287, 325, 375, 385, 429, 451, 455, 525, 533, 615, 715, 825, 861, 875, 975, 1001, 1025, 1155, 1353, 1365, 1375, 1435, 1599, 1625, 1925, 2145, 2255, 2275, 2625, 2665, 3003, 3075, 3157, 3575, 3731, 4125, 4305, 4875, 5005, 5125, 5775, 5863, 6765, 6825, 7175, 7995, 9471, 9625, 10725, 11193, 11275, 11375, 13325, 15015, 15375, 15785, 17589, 17875, 18655, 21525, 25025, 28875, 29315, 33825, 34125, 35875, 39975, 41041, 47355, 53625, 55965, 56375, 66625, 75075, 78925, 87945, 93275, 107625, 123123, 125125, 146575, 169125, 199875, 205205, 236775, 279825, 375375, 394625, 439725, 466375, 615615, 732875, 1026025, 1183875, 1399125, 2198625, 3078075, 5130125, 15390375]

約数ペア:

[(1, 15390375), (3, 5130125), (5, 3078075), (7, 2198625), (11, 1399125), (13, 1183875), (15, 1026025), (21, 732875), (25, 615615), (33, 466375), (35, 439725), (39, 394625), (41, 375375), (55, 279825), (65, 236775), (75, 205205), (77, 199875), (91, 169125), (105, 146575), (123, 125125), (125, 123123), (143, 107625), (165, 93275), (175, 87945), (195, 78925), (205, 75075), (231, 66625), (273, 56375), (275, 55965), (287, 53625), (325, 47355), (375, 41041), (385, 39975), (429, 35875), (451, 34125), (455, 33825), (525, 29315), (533, 28875), (615, 25025), (715, 21525), (825, 18655), (861, 17875), (875, 17589), (975, 15785), (1001, 15375), (1025, 15015), (1155, 13325), (1353, 11375), (1365, 11275), (1375, 11193), (1435, 10725), (1599, 9625), (1625, 9471), (1925, 7995), (2145, 7175), (2255, 6825), (2275, 6765), (2625, 5863), (2665, 5775), (3003, 5125), (3075, 5005), (3157, 4875), (3575, 4305), (3731, 4125)]