81467070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 121745730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 251, 310, 349, 465, 502, 698, 753, 930, 1047, 1255, 1506, 1745, 2094, 2510, 3490, 3765, 5235, 7530, 7781, 10470, 10819, 15562, 21638, 23343, 32457, 38905, 46686, 54095, 64914, 77810, 87599, 108190, 116715, 162285, 175198, 233430, 262797, 324570, 437995, 525594, 875990, 1313985, 2627970, 2715569, 5431138, 8146707, 13577845, 16293414, 27155690, 40733535, 81467070]

約数ペア:

[(1, 81467070), (2, 40733535), (3, 27155690), (5, 16293414), (6, 13577845), (10, 8146707), (15, 5431138), (30, 2715569), (31, 2627970), (62, 1313985), (93, 875990), (155, 525594), (186, 437995), (251, 324570), (310, 262797), (349, 233430), (465, 175198), (502, 162285), (698, 116715), (753, 108190), (930, 87599), (1047, 77810), (1255, 64914), (1506, 54095), (1745, 46686), (2094, 38905), (2510, 32457), (3490, 23343), (3765, 21638), (5235, 15562), (7530, 10819), (7781, 10470)]