68721120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3671}}^1$

素因数の和:3705

約数の個数: 144

約数和(自身を含む): 252618912

約数和(自身を除く): 183897792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3671, 3744, 4680, 6240, 7342, 9360, 11013, 14684, 18355, 18720, 22026, 29368, 33039, 36710, 44052, 47723, 55065, 58736, 66078, 73420, 88104, 95446, 110130, 117472, 132156, 143169, 146840, 165195, 176208, 190892, 220260, 238615, 264312, 286338, 293680, 330390, 352416, 381784, 429507, 440520, 477230, 528624, 572676, 587360, 660780, 715845, 763568, 859014, 881040, 954460, 1057248, 1145352, 1321560, 1431690, 1527136, 1718028, 1762080, 1908920, 2147535, 2290704, 2643120, 2863380, 3436056, 3817840, 4295070, 4581408, 5286240, 5726760, 6872112, 7635680, 8590140, 11453520, 13744224, 17180280, 22907040, 34360560, 68721120]

約数ペア:

[(1, 68721120), (2, 34360560), (3, 22907040), (4, 17180280), (5, 13744224), (6, 11453520), (8, 8590140), (9, 7635680), (10, 6872112), (12, 5726760), (13, 5286240), (15, 4581408), (16, 4295070), (18, 3817840), (20, 3436056), (24, 2863380), (26, 2643120), (30, 2290704), (32, 2147535), (36, 1908920), (39, 1762080), (40, 1718028), (45, 1527136), (48, 1431690), (52, 1321560), (60, 1145352), (65, 1057248), (72, 954460), (78, 881040), (80, 859014), (90, 763568), (96, 715845), (104, 660780), (117, 587360), (120, 572676), (130, 528624), (144, 477230), (156, 440520), (160, 429507), (180, 381784), (195, 352416), (208, 330390), (234, 293680), (240, 286338), (260, 264312), (288, 238615), (312, 220260), (360, 190892), (390, 176208), (416, 165195), (468, 146840), (480, 143169), (520, 132156), (585, 117472), (624, 110130), (720, 95446), (780, 88104), (936, 73420), (1040, 66078), (1170, 58736), (1248, 55065), (1440, 47723), (1560, 44052), (1872, 36710), (2080, 33039), (2340, 29368), (3120, 22026), (3671, 18720), (3744, 18355), (4680, 14684), (6240, 11013), (7342, 9360)]