65566980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{647}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 199547712

約数和(自身を除く): 133980732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 563, 647, 1126, 1294, 1689, 1941, 2252, 2588, 2815, 3235, 3378, 3882, 5067, 5630, 5823, 6470, 6756, 7764, 8445, 9705, 10134, 11260, 11646, 12940, 16890, 19410, 20268, 23292, 25335, 29115, 33780, 38820, 50670, 58230, 101340, 116460, 364261, 728522, 1092783, 1457044, 1821305, 2185566, 3278349, 3642610, 4371132, 5463915, 6556698, 7285220, 10927830, 13113396, 16391745, 21855660, 32783490, 65566980]

約数ペア:

[(1, 65566980), (2, 32783490), (3, 21855660), (4, 16391745), (5, 13113396), (6, 10927830), (9, 7285220), (10, 6556698), (12, 5463915), (15, 4371132), (18, 3642610), (20, 3278349), (30, 2185566), (36, 1821305), (45, 1457044), (60, 1092783), (90, 728522), (180, 364261), (563, 116460), (647, 101340), (1126, 58230), (1294, 50670), (1689, 38820), (1941, 33780), (2252, 29115), (2588, 25335), (2815, 23292), (3235, 20268), (3378, 19410), (3882, 16890), (5067, 12940), (5630, 11646), (5823, 11260), (6470, 10134), (6756, 9705), (7764, 8445)]