81761520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3373}}^1$

素因数の和:3490

約数の個数: 80

約数和(自身を含む): 256046112

約数和(自身を除く): 174284592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 3373, 4040, 4848, 6060, 6746, 8080, 10119, 12120, 13492, 16865, 20238, 24240, 26984, 33730, 40476, 50595, 53968, 67460, 80952, 101190, 134920, 161904, 202380, 269840, 340673, 404760, 681346, 809520, 1022019, 1362692, 1703365, 2044038, 2725384, 3406730, 4088076, 5110095, 5450768, 6813460, 8176152, 10220190, 13626920, 16352304, 20440380, 27253840, 40880760, 81761520]

約数ペア:

[(1, 81761520), (2, 40880760), (3, 27253840), (4, 20440380), (5, 16352304), (6, 13626920), (8, 10220190), (10, 8176152), (12, 6813460), (15, 5450768), (16, 5110095), (20, 4088076), (24, 3406730), (30, 2725384), (40, 2044038), (48, 1703365), (60, 1362692), (80, 1022019), (101, 809520), (120, 681346), (202, 404760), (240, 340673), (303, 269840), (404, 202380), (505, 161904), (606, 134920), (808, 101190), (1010, 80952), (1212, 67460), (1515, 53968), (1616, 50595), (2020, 40476), (2424, 33730), (3030, 26984), (3373, 24240), (4040, 20238), (4848, 16865), (6060, 13492), (6746, 12120), (8080, 10119)]