19961040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7561}}^1$

素因数の和:7588

約数の個数: 80

約数和(自身を含む): 67513536

約数和(自身を除く): 47552496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7561, 15122, 22683, 30244, 37805, 45366, 60488, 75610, 83171, 90732, 113415, 120976, 151220, 166342, 181464, 226830, 249513, 302440, 332684, 362928, 415855, 453660, 499026, 604880, 665368, 831710, 907320, 998052, 1247565, 1330736, 1663420, 1814640, 1996104, 2495130, 3326840, 3992208, 4990260, 6653680, 9980520, 19961040]

約数ペア:

[(1, 19961040), (2, 9980520), (3, 6653680), (4, 4990260), (5, 3992208), (6, 3326840), (8, 2495130), (10, 1996104), (11, 1814640), (12, 1663420), (15, 1330736), (16, 1247565), (20, 998052), (22, 907320), (24, 831710), (30, 665368), (33, 604880), (40, 499026), (44, 453660), (48, 415855), (55, 362928), (60, 332684), (66, 302440), (80, 249513), (88, 226830), (110, 181464), (120, 166342), (132, 151220), (165, 120976), (176, 113415), (220, 90732), (240, 83171), (264, 75610), (330, 60488), (440, 45366), (528, 37805), (660, 30244), (880, 22683), (1320, 15122), (2640, 7561)]