20996875800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{402239}}^1$

素因数の和:402290

約数の個数: 144

約数和(自身を含む): 72946224000

約数和(自身を除く): 51949348200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 29, 30, 36, 40, 45, 50, 58, 60, 72, 75, 87, 90, 100, 116, 120, 145, 150, 174, 180, 200, 225, 232, 261, 290, 300, 348, 360, 435, 450, 522, 580, 600, 696, 725, 870, 900, 1044, 1160, 1305, 1450, 1740, 1800, 2088, 2175, 2610, 2900, 3480, 4350, 5220, 5800, 6525, 8700, 10440, 13050, 17400, 26100, 52200, 402239, 804478, 1206717, 1608956, 2011195, 2413434, 3217912, 3620151, 4022390, 4826868, 6033585, 7240302, 8044780, 9653736, 10055975, 11664931, 12067170, 14480604, 16089560, 18100755, 20111950, 23329862, 24134340, 28961208, 30167925, 34994793, 36201510, 40223900, 46659724, 48268680, 58324655, 60335850, 69989586, 72403020, 80447800, 90503775, 93319448, 104984379, 116649310, 120671700, 139979172, 144806040, 174973965, 181007550, 209968758, 233298620, 241343400, 279958344, 291623275, 349947930, 362015100, 419937516, 466597240, 524921895, 583246550, 699895860, 724030200, 839875032, 874869825, 1049843790, 1166493100, 1399791720, 1749739650, 2099687580, 2332986200, 2624609475, 3499479300, 4199375160, 5249218950, 6998958600, 10498437900, 20996875800]

約数ペア:

[(1, 20996875800), (2, 10498437900), (3, 6998958600), (4, 5249218950), (5, 4199375160), (6, 3499479300), (8, 2624609475), (9, 2332986200), (10, 2099687580), (12, 1749739650), (15, 1399791720), (18, 1166493100), (20, 1049843790), (24, 874869825), (25, 839875032), (29, 724030200), (30, 699895860), (36, 583246550), (40, 524921895), (45, 466597240), (50, 419937516), (58, 362015100), (60, 349947930), (72, 291623275), (75, 279958344), (87, 241343400), (90, 233298620), (100, 209968758), (116, 181007550), (120, 174973965), (145, 144806040), (150, 139979172), (174, 120671700), (180, 116649310), (200, 104984379), (225, 93319448), (232, 90503775), (261, 80447800), (290, 72403020), (300, 69989586), (348, 60335850), (360, 58324655), (435, 48268680), (450, 46659724), (522, 40223900), (580, 36201510), (600, 34994793), (696, 30167925), (725, 28961208), (870, 24134340), (900, 23329862), (1044, 20111950), (1160, 18100755), (1305, 16089560), (1450, 14480604), (1740, 12067170), (1800, 11664931), (2088, 10055975), (2175, 9653736), (2610, 8044780), (2900, 7240302), (3480, 6033585), (4350, 4826868), (5220, 4022390), (5800, 3620151), (6525, 3217912), (8700, 2413434), (10440, 2011195), (13050, 1608956), (17400, 1206717), (26100, 804478), (52200, 402239)]