2991275560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:617

約数の個数: 256

約数和(自身を含む): 8741376000

約数和(自身を除く): 5750100440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 91, 98, 104, 124, 130, 140, 155, 182, 196, 217, 245, 248, 260, 280, 310, 343, 364, 392, 403, 434, 455, 490, 520, 541, 620, 637, 686, 728, 806, 868, 910, 980, 1082, 1085, 1240, 1274, 1372, 1519, 1612, 1715, 1736, 1820, 1960, 2015, 2164, 2170, 2548, 2705, 2744, 2821, 3038, 3185, 3224, 3430, 3640, 3787, 4030, 4328, 4340, 4459, 5096, 5410, 5642, 6076, 6370, 6860, 7033, 7574, 7595, 8060, 8680, 8918, 10633, 10820, 11284, 12152, 12740, 13720, 14066, 14105, 15148, 15190, 16120, 16771, 17836, 18935, 19747, 21266, 21640, 22295, 22568, 25480, 26509, 28132, 28210, 30296, 30380, 33542, 35165, 35672, 37870, 39494, 42532, 44590, 49231, 53018, 53165, 56264, 56420, 60760, 67084, 70330, 75740, 78988, 83855, 85064, 89180, 98462, 98735, 106036, 106330, 112840, 117397, 132545, 134168, 138229, 140660, 151480, 157976, 167710, 178360, 185563, 196924, 197470, 212072, 212660, 218023, 234794, 246155, 265090, 276458, 281320, 335420, 344617, 371126, 393848, 394940, 425320, 436046, 469588, 492310, 530180, 552916, 586985, 670840, 689234, 691145, 742252, 789880, 821779, 872092, 927815, 939176, 984620, 1060360, 1090115, 1105832, 1173970, 1378468, 1382290, 1484504, 1526161, 1643558, 1723085, 1744184, 1855630, 1969240, 2180230, 2347940, 2412319, 2756936, 2764580, 3052322, 3287116, 3446170, 3711260, 4108895, 4360460, 4695880, 4824638, 5529160, 5752453, 6104644, 6574232, 6892340, 7422520, 7630805, 8217790, 8720920, 9649276, 10683127, 11504906, 12061595, 12209288, 13784680, 15261610, 16435580, 19298552, 21366254, 23009812, 24123190, 28762265, 30523220, 32871160, 42732508, 46019624, 48246380, 53415635, 57524530, 61046440, 74781889, 85465016, 96492760, 106831270, 115049060, 149563778, 213662540, 230098120, 299127556, 373909445, 427325080, 598255112, 747818890, 1495637780, 2991275560]

約数ペア:

[(1, 2991275560), (2, 1495637780), (4, 747818890), (5, 598255112), (7, 427325080), (8, 373909445), (10, 299127556), (13, 230098120), (14, 213662540), (20, 149563778), (26, 115049060), (28, 106831270), (31, 96492760), (35, 85465016), (40, 74781889), (49, 61046440), (52, 57524530), (56, 53415635), (62, 48246380), (65, 46019624), (70, 42732508), (91, 32871160), (98, 30523220), (104, 28762265), (124, 24123190), (130, 23009812), (140, 21366254), (155, 19298552), (182, 16435580), (196, 15261610), (217, 13784680), (245, 12209288), (248, 12061595), (260, 11504906), (280, 10683127), (310, 9649276), (343, 8720920), (364, 8217790), (392, 7630805), (403, 7422520), (434, 6892340), (455, 6574232), (490, 6104644), (520, 5752453), (541, 5529160), (620, 4824638), (637, 4695880), (686, 4360460), (728, 4108895), (806, 3711260), (868, 3446170), (910, 3287116), (980, 3052322), (1082, 2764580), (1085, 2756936), (1240, 2412319), (1274, 2347940), (1372, 2180230), (1519, 1969240), (1612, 1855630), (1715, 1744184), (1736, 1723085), (1820, 1643558), (1960, 1526161), (2015, 1484504), (2164, 1382290), (2170, 1378468), (2548, 1173970), (2705, 1105832), (2744, 1090115), (2821, 1060360), (3038, 984620), (3185, 939176), (3224, 927815), (3430, 872092), (3640, 821779), (3787, 789880), (4030, 742252), (4328, 691145), (4340, 689234), (4459, 670840), (5096, 586985), (5410, 552916), (5642, 530180), (6076, 492310), (6370, 469588), (6860, 436046), (7033, 425320), (7574, 394940), (7595, 393848), (8060, 371126), (8680, 344617), (8918, 335420), (10633, 281320), (10820, 276458), (11284, 265090), (12152, 246155), (12740, 234794), (13720, 218023), (14066, 212660), (14105, 212072), (15148, 197470), (15190, 196924), (16120, 185563), (16771, 178360), (17836, 167710), (18935, 157976), (19747, 151480), (21266, 140660), (21640, 138229), (22295, 134168), (22568, 132545), (25480, 117397), (26509, 112840), (28132, 106330), (28210, 106036), (30296, 98735), (30380, 98462), (33542, 89180), (35165, 85064), (35672, 83855), (37870, 78988), (39494, 75740), (42532, 70330), (44590, 67084), (49231, 60760), (53018, 56420), (53165, 56264)]