16981200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 180

約数和(自身を含む): 60715980

約数和(自身を除く): 43734780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 53, 60, 72, 75, 80, 89, 90, 100, 106, 120, 144, 150, 159, 178, 180, 200, 212, 225, 240, 265, 267, 300, 318, 356, 360, 400, 424, 445, 450, 477, 530, 534, 600, 636, 712, 720, 795, 801, 848, 890, 900, 954, 1060, 1068, 1200, 1272, 1325, 1335, 1424, 1590, 1602, 1780, 1800, 1908, 2120, 2136, 2225, 2385, 2544, 2650, 2670, 3180, 3204, 3560, 3600, 3816, 3975, 4005, 4240, 4272, 4450, 4717, 4770, 5300, 5340, 6360, 6408, 6675, 7120, 7632, 7950, 8010, 8900, 9434, 9540, 10600, 10680, 11925, 12720, 12816, 13350, 14151, 15900, 16020, 17800, 18868, 19080, 20025, 21200, 21360, 23585, 23850, 26700, 28302, 31800, 32040, 35600, 37736, 38160, 40050, 42453, 47170, 47700, 53400, 56604, 63600, 64080, 70755, 75472, 80100, 84906, 94340, 95400, 106800, 113208, 117925, 141510, 160200, 169812, 188680, 190800, 212265, 226416, 235850, 283020, 320400, 339624, 353775, 377360, 424530, 471700, 566040, 679248, 707550, 849060, 943400, 1061325, 1132080, 1415100, 1698120, 1886800, 2122650, 2830200, 3396240, 4245300, 5660400, 8490600, 16981200]

約数ペア:

[(1, 16981200), (2, 8490600), (3, 5660400), (4, 4245300), (5, 3396240), (6, 2830200), (8, 2122650), (9, 1886800), (10, 1698120), (12, 1415100), (15, 1132080), (16, 1061325), (18, 943400), (20, 849060), (24, 707550), (25, 679248), (30, 566040), (36, 471700), (40, 424530), (45, 377360), (48, 353775), (50, 339624), (53, 320400), (60, 283020), (72, 235850), (75, 226416), (80, 212265), (89, 190800), (90, 188680), (100, 169812), (106, 160200), (120, 141510), (144, 117925), (150, 113208), (159, 106800), (178, 95400), (180, 94340), (200, 84906), (212, 80100), (225, 75472), (240, 70755), (265, 64080), (267, 63600), (300, 56604), (318, 53400), (356, 47700), (360, 47170), (400, 42453), (424, 40050), (445, 38160), (450, 37736), (477, 35600), (530, 32040), (534, 31800), (600, 28302), (636, 26700), (712, 23850), (720, 23585), (795, 21360), (801, 21200), (848, 20025), (890, 19080), (900, 18868), (954, 17800), (1060, 16020), (1068, 15900), (1200, 14151), (1272, 13350), (1325, 12816), (1335, 12720), (1424, 11925), (1590, 10680), (1602, 10600), (1780, 9540), (1800, 9434), (1908, 8900), (2120, 8010), (2136, 7950), (2225, 7632), (2385, 7120), (2544, 6675), (2650, 6408), (2670, 6360), (3180, 5340), (3204, 5300), (3560, 4770), (3600, 4717), (3816, 4450), (3975, 4272), (4005, 4240)]