9979920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 34122816

約数和(自身を除く): 24142896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 167, 180, 240, 249, 332, 334, 360, 415, 498, 501, 664, 668, 720, 747, 830, 835, 996, 1002, 1245, 1328, 1336, 1494, 1503, 1660, 1670, 1992, 2004, 2490, 2505, 2672, 2988, 3006, 3320, 3340, 3735, 3984, 4008, 4980, 5010, 5976, 6012, 6640, 6680, 7470, 7515, 8016, 9960, 10020, 11952, 12024, 13360, 13861, 14940, 15030, 19920, 20040, 24048, 27722, 29880, 30060, 40080, 41583, 55444, 59760, 60120, 69305, 83166, 110888, 120240, 124749, 138610, 166332, 207915, 221776, 249498, 277220, 332664, 415830, 498996, 554440, 623745, 665328, 831660, 997992, 1108880, 1247490, 1663320, 1995984, 2494980, 3326640, 4989960, 9979920]

約数ペア:

[(1, 9979920), (2, 4989960), (3, 3326640), (4, 2494980), (5, 1995984), (6, 1663320), (8, 1247490), (9, 1108880), (10, 997992), (12, 831660), (15, 665328), (16, 623745), (18, 554440), (20, 498996), (24, 415830), (30, 332664), (36, 277220), (40, 249498), (45, 221776), (48, 207915), (60, 166332), (72, 138610), (80, 124749), (83, 120240), (90, 110888), (120, 83166), (144, 69305), (166, 60120), (167, 59760), (180, 55444), (240, 41583), (249, 40080), (332, 30060), (334, 29880), (360, 27722), (415, 24048), (498, 20040), (501, 19920), (664, 15030), (668, 14940), (720, 13861), (747, 13360), (830, 12024), (835, 11952), (996, 10020), (1002, 9960), (1245, 8016), (1328, 7515), (1336, 7470), (1494, 6680), (1503, 6640), (1660, 6012), (1670, 5976), (1992, 5010), (2004, 4980), (2490, 4008), (2505, 3984), (2672, 3735), (2988, 3340), (3006, 3320)]