30231775

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 48345120

約数和(自身を除く): 18113345

約数列:

[1, 5, 7, 23, 25, 29, 35, 37, 49, 115, 145, 161, 175, 185, 203, 245, 259, 575, 667, 725, 805, 851, 925, 1015, 1073, 1127, 1225, 1295, 1421, 1813, 3335, 4025, 4255, 4669, 5075, 5365, 5635, 5957, 6475, 7105, 7511, 9065, 16675, 21275, 23345, 24679, 26825, 28175, 29785, 32683, 35525, 37555, 41699, 45325, 52577, 116725, 123395, 148925, 163415, 172753, 187775, 208495, 262885, 616975, 817075, 863765, 1042475, 1209271, 1314425, 4318825, 6046355, 30231775]

約数ペア:

[(1, 30231775), (5, 6046355), (7, 4318825), (23, 1314425), (25, 1209271), (29, 1042475), (35, 863765), (37, 817075), (49, 616975), (115, 262885), (145, 208495), (161, 187775), (175, 172753), (185, 163415), (203, 148925), (245, 123395), (259, 116725), (575, 52577), (667, 45325), (725, 41699), (805, 37555), (851, 35525), (925, 32683), (1015, 29785), (1073, 28175), (1127, 26825), (1225, 24679), (1295, 23345), (1421, 21275), (1813, 16675), (3335, 9065), (4025, 7511), (4255, 7105), (4669, 6475), (5075, 5957), (5365, 5635)]