320621520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1229}}^1$

素因数の和:2332

約数の個数: 80

約数和(自身を含む): 995650560

約数和(自身を除く): 675029040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1087, 1229, 2174, 2458, 3261, 3687, 4348, 4916, 5435, 6145, 6522, 7374, 8696, 9832, 10870, 12290, 13044, 14748, 16305, 17392, 18435, 19664, 21740, 24580, 26088, 29496, 32610, 36870, 43480, 49160, 52176, 58992, 65220, 73740, 86960, 98320, 130440, 147480, 260880, 294960, 1335923, 2671846, 4007769, 5343692, 6679615, 8015538, 10687384, 13359230, 16031076, 20038845, 21374768, 26718460, 32062152, 40077690, 53436920, 64124304, 80155380, 106873840, 160310760, 320621520]

約数ペア:

[(1, 320621520), (2, 160310760), (3, 106873840), (4, 80155380), (5, 64124304), (6, 53436920), (8, 40077690), (10, 32062152), (12, 26718460), (15, 21374768), (16, 20038845), (20, 16031076), (24, 13359230), (30, 10687384), (40, 8015538), (48, 6679615), (60, 5343692), (80, 4007769), (120, 2671846), (240, 1335923), (1087, 294960), (1229, 260880), (2174, 147480), (2458, 130440), (3261, 98320), (3687, 86960), (4348, 73740), (4916, 65220), (5435, 58992), (6145, 52176), (6522, 49160), (7374, 43480), (8696, 36870), (9832, 32610), (10870, 29496), (12290, 26088), (13044, 24580), (14748, 21740), (16305, 19664), (17392, 18435)]