1234889880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5857}}^1$

素因数の和:6129

約数の個数: 128

約数和(自身を含む): 4251502080

約数和(自身を除く): 3016612200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 251, 280, 420, 502, 753, 840, 1004, 1255, 1506, 1757, 2008, 2510, 3012, 3514, 3765, 5020, 5271, 5857, 6024, 7028, 7530, 8785, 10040, 10542, 11714, 14056, 15060, 17570, 17571, 21084, 23428, 26355, 29285, 30120, 35140, 35142, 40999, 42168, 46856, 52710, 58570, 70280, 70284, 81998, 87855, 105420, 117140, 122997, 140568, 163996, 175710, 204995, 210840, 234280, 245994, 327992, 351420, 409990, 491988, 614985, 702840, 819980, 983976, 1229970, 1470107, 1639960, 2459940, 2940214, 4410321, 4919880, 5880428, 7350535, 8820642, 10290749, 11760856, 14701070, 17641284, 20581498, 22051605, 29402140, 30872247, 35282568, 41162996, 44103210, 51453745, 58804280, 61744494, 82325992, 88206420, 102907490, 123488988, 154361235, 176412840, 205814980, 246977976, 308722470, 411629960, 617444940, 1234889880]

約数ペア:

[(1, 1234889880), (2, 617444940), (3, 411629960), (4, 308722470), (5, 246977976), (6, 205814980), (7, 176412840), (8, 154361235), (10, 123488988), (12, 102907490), (14, 88206420), (15, 82325992), (20, 61744494), (21, 58804280), (24, 51453745), (28, 44103210), (30, 41162996), (35, 35282568), (40, 30872247), (42, 29402140), (56, 22051605), (60, 20581498), (70, 17641284), (84, 14701070), (105, 11760856), (120, 10290749), (140, 8820642), (168, 7350535), (210, 5880428), (251, 4919880), (280, 4410321), (420, 2940214), (502, 2459940), (753, 1639960), (840, 1470107), (1004, 1229970), (1255, 983976), (1506, 819980), (1757, 702840), (2008, 614985), (2510, 491988), (3012, 409990), (3514, 351420), (3765, 327992), (5020, 245994), (5271, 234280), (5857, 210840), (6024, 204995), (7028, 175710), (7530, 163996), (8785, 140568), (10040, 122997), (10542, 117140), (11714, 105420), (14056, 87855), (15060, 81998), (17570, 70284), (17571, 70280), (21084, 58570), (23428, 52710), (26355, 46856), (29285, 42168), (30120, 40999), (35140, 35142)]