2021280120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1783}}^1$

素因数の和:1914

約数の個数: 192

約数和(自身を含む): 6812881920

約数和(自身を除く): 4791601800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 67, 72, 90, 94, 120, 134, 141, 180, 188, 201, 235, 268, 282, 335, 360, 376, 402, 423, 470, 536, 564, 603, 670, 705, 804, 846, 940, 1005, 1128, 1206, 1340, 1410, 1608, 1692, 1783, 1880, 2010, 2115, 2412, 2680, 2820, 3015, 3149, 3384, 3566, 4020, 4230, 4824, 5349, 5640, 6030, 6298, 7132, 8040, 8460, 8915, 9447, 10698, 12060, 12596, 14264, 15745, 16047, 16920, 17830, 18894, 21396, 24120, 25192, 26745, 28341, 31490, 32094, 35660, 37788, 42792, 47235, 53490, 56682, 62980, 64188, 71320, 75576, 80235, 83801, 94470, 106980, 113364, 119461, 125960, 128376, 141705, 160470, 167602, 188940, 213960, 226728, 238922, 251403, 283410, 320940, 335204, 358383, 377880, 419005, 477844, 502806, 566820, 597305, 641880, 670408, 716766, 754209, 838010, 955688, 1005612, 1075149, 1133640, 1194610, 1257015, 1433532, 1508418, 1676020, 1791915, 2011224, 2150298, 2389220, 2514030, 2867064, 3016836, 3352040, 3583830, 3771045, 4300596, 4778440, 5028060, 5375745, 5614667, 6033672, 7167660, 7542090, 8601192, 10056120, 10751490, 11229334, 14335320, 15084180, 16844001, 21502980, 22458668, 28073335, 30168360, 33688002, 43005960, 44917336, 50532003, 56146670, 67376004, 84220005, 101064006, 112293340, 134752008, 168440010, 202128012, 224586680, 252660015, 336880020, 404256024, 505320030, 673760040, 1010640060, 2021280120]

約数ペア:

[(1, 2021280120), (2, 1010640060), (3, 673760040), (4, 505320030), (5, 404256024), (6, 336880020), (8, 252660015), (9, 224586680), (10, 202128012), (12, 168440010), (15, 134752008), (18, 112293340), (20, 101064006), (24, 84220005), (30, 67376004), (36, 56146670), (40, 50532003), (45, 44917336), (47, 43005960), (60, 33688002), (67, 30168360), (72, 28073335), (90, 22458668), (94, 21502980), (120, 16844001), (134, 15084180), (141, 14335320), (180, 11229334), (188, 10751490), (201, 10056120), (235, 8601192), (268, 7542090), (282, 7167660), (335, 6033672), (360, 5614667), (376, 5375745), (402, 5028060), (423, 4778440), (470, 4300596), (536, 3771045), (564, 3583830), (603, 3352040), (670, 3016836), (705, 2867064), (804, 2514030), (846, 2389220), (940, 2150298), (1005, 2011224), (1128, 1791915), (1206, 1676020), (1340, 1508418), (1410, 1433532), (1608, 1257015), (1692, 1194610), (1783, 1133640), (1880, 1075149), (2010, 1005612), (2115, 955688), (2412, 838010), (2680, 754209), (2820, 716766), (3015, 670408), (3149, 641880), (3384, 597305), (3566, 566820), (4020, 502806), (4230, 477844), (4824, 419005), (5349, 377880), (5640, 358383), (6030, 335204), (6298, 320940), (7132, 283410), (8040, 251403), (8460, 238922), (8915, 226728), (9447, 213960), (10698, 188940), (12060, 167602), (12596, 160470), (14264, 141705), (15745, 128376), (16047, 125960), (16920, 119461), (17830, 113364), (18894, 106980), (21396, 94470), (24120, 83801), (25192, 80235), (26745, 75576), (28341, 71320), (31490, 64188), (32094, 62980), (35660, 56682), (37788, 53490), (42792, 47235)]