21309741480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1\times {\mathrm{1699}}^1$

素因数の和:2663

約数の個数: 128

約数和(自身を含む): 64548864000

約数和(自身を除く): 43239122520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 823, 1016, 1270, 1524, 1646, 1699, 1905, 2469, 2540, 3048, 3292, 3398, 3810, 4115, 4938, 5080, 5097, 6584, 6796, 7620, 8230, 8495, 9876, 10194, 12345, 13592, 15240, 16460, 16990, 19752, 20388, 24690, 25485, 32920, 33980, 40776, 49380, 50970, 67960, 98760, 101940, 104521, 203880, 209042, 215773, 313563, 418084, 431546, 522605, 627126, 647319, 836168, 863092, 1045210, 1078865, 1254252, 1294638, 1398277, 1567815, 1726184, 2090420, 2157730, 2508504, 2589276, 2796554, 3135630, 3236595, 4180840, 4194831, 4315460, 5178552, 5593108, 6271260, 6473190, 6991385, 8389662, 8630920, 11186216, 12542520, 12946380, 13982770, 16779324, 20974155, 25892760, 27965540, 33558648, 41948310, 55931080, 83896620, 167793240, 177581179, 355162358, 532743537, 710324716, 887905895, 1065487074, 1420649432, 1775811790, 2130974148, 2663717685, 3551623580, 4261948296, 5327435370, 7103247160, 10654870740, 21309741480]

約数ペア:

[(1, 21309741480), (2, 10654870740), (3, 7103247160), (4, 5327435370), (5, 4261948296), (6, 3551623580), (8, 2663717685), (10, 2130974148), (12, 1775811790), (15, 1420649432), (20, 1065487074), (24, 887905895), (30, 710324716), (40, 532743537), (60, 355162358), (120, 177581179), (127, 167793240), (254, 83896620), (381, 55931080), (508, 41948310), (635, 33558648), (762, 27965540), (823, 25892760), (1016, 20974155), (1270, 16779324), (1524, 13982770), (1646, 12946380), (1699, 12542520), (1905, 11186216), (2469, 8630920), (2540, 8389662), (3048, 6991385), (3292, 6473190), (3398, 6271260), (3810, 5593108), (4115, 5178552), (4938, 4315460), (5080, 4194831), (5097, 4180840), (6584, 3236595), (6796, 3135630), (7620, 2796554), (8230, 2589276), (8495, 2508504), (9876, 2157730), (10194, 2090420), (12345, 1726184), (13592, 1567815), (15240, 1398277), (16460, 1294638), (16990, 1254252), (19752, 1078865), (20388, 1045210), (24690, 863092), (25485, 836168), (32920, 647319), (33980, 627126), (40776, 522605), (49380, 431546), (50970, 418084), (67960, 313563), (98760, 215773), (101940, 209042), (104521, 203880)]