15128750

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 37394280

約数和(自身を除く): 22265530

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 49, 50, 65, 70, 91, 95, 98, 125, 130, 133, 175, 182, 190, 245, 247, 250, 266, 325, 350, 455, 475, 490, 494, 625, 637, 650, 665, 875, 910, 931, 950, 1225, 1235, 1250, 1274, 1330, 1625, 1729, 1750, 1862, 2275, 2375, 2450, 2470, 3185, 3250, 3325, 3458, 4375, 4550, 4655, 4750, 6125, 6175, 6370, 6650, 8125, 8645, 8750, 9310, 11375, 11875, 12103, 12250, 12350, 15925, 16250, 16625, 17290, 22750, 23275, 23750, 24206, 30625, 30875, 31850, 33250, 43225, 46550, 56875, 60515, 61250, 61750, 79625, 83125, 86450, 113750, 116375, 121030, 154375, 159250, 166250, 216125, 232750, 302575, 308750, 398125, 432250, 581875, 605150, 796250, 1080625, 1163750, 1512875, 2161250, 3025750, 7564375, 15128750]

約数ペア:

[(1, 15128750), (2, 7564375), (5, 3025750), (7, 2161250), (10, 1512875), (13, 1163750), (14, 1080625), (19, 796250), (25, 605150), (26, 581875), (35, 432250), (38, 398125), (49, 308750), (50, 302575), (65, 232750), (70, 216125), (91, 166250), (95, 159250), (98, 154375), (125, 121030), (130, 116375), (133, 113750), (175, 86450), (182, 83125), (190, 79625), (245, 61750), (247, 61250), (250, 60515), (266, 56875), (325, 46550), (350, 43225), (455, 33250), (475, 31850), (490, 30875), (494, 30625), (625, 24206), (637, 23750), (650, 23275), (665, 22750), (875, 17290), (910, 16625), (931, 16250), (950, 15925), (1225, 12350), (1235, 12250), (1250, 12103), (1274, 11875), (1330, 11375), (1625, 9310), (1729, 8750), (1750, 8645), (1862, 8125), (2275, 6650), (2375, 6370), (2450, 6175), (2470, 6125), (3185, 4750), (3250, 4655), (3325, 4550), (3458, 4375)]