31023450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1060

約数の個数: 72

約数和(自身を含む): 84610656

約数和(自身を除く): 53587206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 710, 971, 1065, 1278, 1775, 1942, 2130, 2913, 3195, 3550, 4855, 5325, 5826, 6390, 8739, 9710, 10650, 14565, 15975, 17478, 24275, 29130, 31950, 43695, 48550, 68941, 72825, 87390, 137882, 145650, 206823, 218475, 344705, 413646, 436950, 620469, 689410, 1034115, 1240938, 1723525, 2068230, 3102345, 3447050, 5170575, 6204690, 10341150, 15511725, 31023450]

約数ペア:

[(1, 31023450), (2, 15511725), (3, 10341150), (5, 6204690), (6, 5170575), (9, 3447050), (10, 3102345), (15, 2068230), (18, 1723525), (25, 1240938), (30, 1034115), (45, 689410), (50, 620469), (71, 436950), (75, 413646), (90, 344705), (142, 218475), (150, 206823), (213, 145650), (225, 137882), (355, 87390), (426, 72825), (450, 68941), (639, 48550), (710, 43695), (971, 31950), (1065, 29130), (1278, 24275), (1775, 17478), (1942, 15975), (2130, 14565), (2913, 10650), (3195, 9710), (3550, 8739), (4855, 6390), (5325, 5826)]