79872160

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 195955200

約数和(自身を除く): 116083040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 79, 80, 89, 142, 158, 160, 178, 284, 316, 355, 356, 395, 445, 568, 632, 710, 712, 790, 890, 1136, 1264, 1420, 1424, 1580, 1780, 2272, 2528, 2840, 2848, 3160, 3560, 5609, 5680, 6319, 6320, 7031, 7120, 11218, 11360, 12638, 12640, 14062, 14240, 22436, 25276, 28045, 28124, 31595, 35155, 44872, 50552, 56090, 56248, 63190, 70310, 89744, 101104, 112180, 112496, 126380, 140620, 179488, 202208, 224360, 224992, 252760, 281240, 448720, 499201, 505520, 562480, 897440, 998402, 1011040, 1124960, 1996804, 2496005, 3993608, 4992010, 7987216, 9984020, 15974432, 19968040, 39936080, 79872160]

約数ペア:

[(1, 79872160), (2, 39936080), (4, 19968040), (5, 15974432), (8, 9984020), (10, 7987216), (16, 4992010), (20, 3993608), (32, 2496005), (40, 1996804), (71, 1124960), (79, 1011040), (80, 998402), (89, 897440), (142, 562480), (158, 505520), (160, 499201), (178, 448720), (284, 281240), (316, 252760), (355, 224992), (356, 224360), (395, 202208), (445, 179488), (568, 140620), (632, 126380), (710, 112496), (712, 112180), (790, 101104), (890, 89744), (1136, 70310), (1264, 63190), (1420, 56248), (1424, 56090), (1580, 50552), (1780, 44872), (2272, 35155), (2528, 31595), (2840, 28124), (2848, 28045), (3160, 25276), (3560, 22436), (5609, 14240), (5680, 14062), (6319, 12640), (6320, 12638), (7031, 11360), (7120, 11218)]