80721440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{503}}^1$

素因数の和:594

約数の個数: 96

約数和(自身を含む): 205752960

約数和(自身を除く): 125031520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 68, 80, 85, 118, 136, 160, 170, 236, 272, 295, 340, 472, 503, 544, 590, 680, 944, 1003, 1006, 1180, 1360, 1888, 2006, 2012, 2360, 2515, 2720, 4012, 4024, 4720, 5015, 5030, 8024, 8048, 8551, 9440, 10030, 10060, 16048, 16096, 17102, 20060, 20120, 29677, 32096, 34204, 40120, 40240, 42755, 59354, 68408, 80240, 80480, 85510, 118708, 136816, 148385, 160480, 171020, 237416, 273632, 296770, 342040, 474832, 504509, 593540, 684080, 949664, 1009018, 1187080, 1368160, 2018036, 2374160, 2522545, 4036072, 4748320, 5045090, 8072144, 10090180, 16144288, 20180360, 40360720, 80721440]

約数ペア:

[(1, 80721440), (2, 40360720), (4, 20180360), (5, 16144288), (8, 10090180), (10, 8072144), (16, 5045090), (17, 4748320), (20, 4036072), (32, 2522545), (34, 2374160), (40, 2018036), (59, 1368160), (68, 1187080), (80, 1009018), (85, 949664), (118, 684080), (136, 593540), (160, 504509), (170, 474832), (236, 342040), (272, 296770), (295, 273632), (340, 237416), (472, 171020), (503, 160480), (544, 148385), (590, 136816), (680, 118708), (944, 85510), (1003, 80480), (1006, 80240), (1180, 68408), (1360, 59354), (1888, 42755), (2006, 40240), (2012, 40120), (2360, 34204), (2515, 32096), (2720, 29677), (4012, 20120), (4024, 20060), (4720, 17102), (5015, 16096), (5030, 16048), (8024, 10060), (8048, 10030), (8551, 9440)]