71271450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:900

約数の個数: 72

約数和(自身を含む): 192550176

約数和(自身を除く): 121278726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 251, 450, 502, 631, 753, 1255, 1262, 1506, 1893, 2259, 2510, 3155, 3765, 3786, 4518, 5679, 6275, 6310, 7530, 9465, 11295, 11358, 12550, 15775, 18825, 18930, 22590, 28395, 31550, 37650, 47325, 56475, 56790, 94650, 112950, 141975, 158381, 283950, 316762, 475143, 791905, 950286, 1425429, 1583810, 2375715, 2850858, 3959525, 4751430, 7127145, 7919050, 11878575, 14254290, 23757150, 35635725, 71271450]

約数ペア:

[(1, 71271450), (2, 35635725), (3, 23757150), (5, 14254290), (6, 11878575), (9, 7919050), (10, 7127145), (15, 4751430), (18, 3959525), (25, 2850858), (30, 2375715), (45, 1583810), (50, 1425429), (75, 950286), (90, 791905), (150, 475143), (225, 316762), (251, 283950), (450, 158381), (502, 141975), (631, 112950), (753, 94650), (1255, 56790), (1262, 56475), (1506, 47325), (1893, 37650), (2259, 31550), (2510, 28395), (3155, 22590), (3765, 18930), (3786, 18825), (4518, 15775), (5679, 12550), (6275, 11358), (6310, 11295), (7530, 9465)]