30430725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 57600480

約数和(自身を除く): 27169755

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 59, 65, 69, 75, 115, 177, 195, 295, 299, 325, 345, 529, 575, 767, 885, 897, 975, 1357, 1475, 1495, 1587, 1725, 2301, 2645, 3835, 4071, 4425, 4485, 6785, 6877, 7475, 7935, 11505, 13225, 17641, 19175, 20355, 20631, 22425, 31211, 33925, 34385, 39675, 52923, 57525, 88205, 93633, 101775, 103155, 156055, 171925, 264615, 405743, 441025, 468165, 515775, 780275, 1217229, 1323075, 2028715, 2340825, 6086145, 10143575, 30430725]

約数ペア:

[(1, 30430725), (3, 10143575), (5, 6086145), (13, 2340825), (15, 2028715), (23, 1323075), (25, 1217229), (39, 780275), (59, 515775), (65, 468165), (69, 441025), (75, 405743), (115, 264615), (177, 171925), (195, 156055), (295, 103155), (299, 101775), (325, 93633), (345, 88205), (529, 57525), (575, 52923), (767, 39675), (885, 34385), (897, 33925), (975, 31211), (1357, 22425), (1475, 20631), (1495, 20355), (1587, 19175), (1725, 17641), (2301, 13225), (2645, 11505), (3835, 7935), (4071, 7475), (4425, 6877), (4485, 6785)]