747123120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17011}}^1$

素因数の和:17091

約数の個数: 120

約数和(自身を含む): 2550370992

約数和(自身を除く): 1803247872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 17011, 21960, 34022, 43920, 51033, 68044, 85055, 102066, 136088, 153099, 170110, 204132, 255165, 272176, 306198, 340220, 408264, 510330, 612396, 680440, 765495, 816528, 1020660, 1037671, 1224792, 1360880, 1530990, 2041320, 2075342, 2449584, 3061980, 3113013, 4082640, 4150684, 5188355, 6123960, 6226026, 8301368, 9339039, 10376710, 12247920, 12452052, 15565065, 16602736, 18678078, 20753420, 24904104, 31130130, 37356156, 41506840, 46695195, 49808208, 62260260, 74712312, 83013680, 93390390, 124520520, 149424624, 186780780, 249041040, 373561560, 747123120]

約数ペア:

[(1, 747123120), (2, 373561560), (3, 249041040), (4, 186780780), (5, 149424624), (6, 124520520), (8, 93390390), (9, 83013680), (10, 74712312), (12, 62260260), (15, 49808208), (16, 46695195), (18, 41506840), (20, 37356156), (24, 31130130), (30, 24904104), (36, 20753420), (40, 18678078), (45, 16602736), (48, 15565065), (60, 12452052), (61, 12247920), (72, 10376710), (80, 9339039), (90, 8301368), (120, 6226026), (122, 6123960), (144, 5188355), (180, 4150684), (183, 4082640), (240, 3113013), (244, 3061980), (305, 2449584), (360, 2075342), (366, 2041320), (488, 1530990), (549, 1360880), (610, 1224792), (720, 1037671), (732, 1020660), (915, 816528), (976, 765495), (1098, 680440), (1220, 612396), (1464, 510330), (1830, 408264), (2196, 340220), (2440, 306198), (2745, 272176), (2928, 255165), (3660, 204132), (4392, 170110), (4880, 153099), (5490, 136088), (7320, 102066), (8784, 85055), (10980, 68044), (14640, 51033), (17011, 43920), (21960, 34022)]