71897680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 176131584

約数和(自身を除く): 104233904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 547, 620, 848, 1060, 1094, 1240, 1643, 2120, 2188, 2480, 2735, 3286, 4240, 4376, 5470, 6572, 8215, 8752, 10940, 13144, 16430, 16957, 21880, 26288, 28991, 32860, 33914, 43760, 57982, 65720, 67828, 84785, 115964, 131440, 135656, 144955, 169570, 231928, 271312, 289910, 339140, 463856, 579820, 678280, 898721, 1159640, 1356560, 1797442, 2319280, 3594884, 4493605, 7189768, 8987210, 14379536, 17974420, 35948840, 71897680]

約数ペア:

[(1, 71897680), (2, 35948840), (4, 17974420), (5, 14379536), (8, 8987210), (10, 7189768), (16, 4493605), (20, 3594884), (31, 2319280), (40, 1797442), (53, 1356560), (62, 1159640), (80, 898721), (106, 678280), (124, 579820), (155, 463856), (212, 339140), (248, 289910), (265, 271312), (310, 231928), (424, 169570), (496, 144955), (530, 135656), (547, 131440), (620, 115964), (848, 84785), (1060, 67828), (1094, 65720), (1240, 57982), (1643, 43760), (2120, 33914), (2188, 32860), (2480, 28991), (2735, 26288), (3286, 21880), (4240, 16957), (4376, 16430), (5470, 13144), (6572, 10940), (8215, 8752)]