240259920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:841

約数の個数: 160

約数和(自身を含む): 787759104

約数和(自身を除く): 547499184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 496, 516, 620, 645, 688, 744, 751, 860, 930, 1032, 1240, 1290, 1333, 1488, 1502, 1720, 1860, 2064, 2253, 2480, 2580, 2666, 3004, 3440, 3720, 3755, 3999, 4506, 5160, 5332, 6008, 6665, 7440, 7510, 7998, 9012, 10320, 10664, 11265, 12016, 13330, 15020, 15996, 18024, 19995, 21328, 22530, 23281, 26660, 30040, 31992, 32293, 36048, 39990, 45060, 46562, 53320, 60080, 63984, 64586, 69843, 79980, 90120, 93124, 96879, 106640, 116405, 129172, 139686, 159960, 161465, 180240, 186248, 193758, 232810, 258344, 279372, 319920, 322930, 349215, 372496, 387516, 465620, 484395, 516688, 558744, 645860, 698430, 775032, 931240, 968790, 1001083, 1117488, 1291720, 1396860, 1550064, 1862480, 1937580, 2002166, 2583440, 2793720, 3003249, 3875160, 4004332, 5005415, 5587440, 6006498, 7750320, 8008664, 10010830, 12012996, 15016245, 16017328, 20021660, 24025992, 30032490, 40043320, 48051984, 60064980, 80086640, 120129960, 240259920]

約数ペア:

[(1, 240259920), (2, 120129960), (3, 80086640), (4, 60064980), (5, 48051984), (6, 40043320), (8, 30032490), (10, 24025992), (12, 20021660), (15, 16017328), (16, 15016245), (20, 12012996), (24, 10010830), (30, 8008664), (31, 7750320), (40, 6006498), (43, 5587440), (48, 5005415), (60, 4004332), (62, 3875160), (80, 3003249), (86, 2793720), (93, 2583440), (120, 2002166), (124, 1937580), (129, 1862480), (155, 1550064), (172, 1396860), (186, 1291720), (215, 1117488), (240, 1001083), (248, 968790), (258, 931240), (310, 775032), (344, 698430), (372, 645860), (430, 558744), (465, 516688), (496, 484395), (516, 465620), (620, 387516), (645, 372496), (688, 349215), (744, 322930), (751, 319920), (860, 279372), (930, 258344), (1032, 232810), (1240, 193758), (1290, 186248), (1333, 180240), (1488, 161465), (1502, 159960), (1720, 139686), (1860, 129172), (2064, 116405), (2253, 106640), (2480, 96879), (2580, 93124), (2666, 90120), (3004, 79980), (3440, 69843), (3720, 64586), (3755, 63984), (3999, 60080), (4506, 53320), (5160, 46562), (5332, 45060), (6008, 39990), (6665, 36048), (7440, 32293), (7510, 31992), (7998, 30040), (9012, 26660), (10320, 23281), (10664, 22530), (11265, 21328), (12016, 19995), (13330, 18024), (15020, 15996)]