66565980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28447}}^1$

素因数の和:28475

約数の個数: 72

約数和(自身を含む): 217456512

約数和(自身を除く): 150890532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 28447, 56894, 85341, 113788, 142235, 170682, 256023, 284470, 341364, 369811, 426705, 512046, 568940, 739622, 853410, 1024092, 1109433, 1280115, 1479244, 1706820, 1849055, 2218866, 2560230, 3328299, 3698110, 4437732, 5120460, 5547165, 6656598, 7396220, 11094330, 13313196, 16641495, 22188660, 33282990, 66565980]

約数ペア:

[(1, 66565980), (2, 33282990), (3, 22188660), (4, 16641495), (5, 13313196), (6, 11094330), (9, 7396220), (10, 6656598), (12, 5547165), (13, 5120460), (15, 4437732), (18, 3698110), (20, 3328299), (26, 2560230), (30, 2218866), (36, 1849055), (39, 1706820), (45, 1479244), (52, 1280115), (60, 1109433), (65, 1024092), (78, 853410), (90, 739622), (117, 568940), (130, 512046), (156, 426705), (180, 369811), (195, 341364), (234, 284470), (260, 256023), (390, 170682), (468, 142235), (585, 113788), (780, 85341), (1170, 56894), (2340, 28447)]