318130680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:714

約数の個数: 256

約数和(自身を含む): 1187020800

約数和(自身を除く): 868890120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 532, 570, 589, 620, 643, 651, 665, 744, 760, 798, 840, 868, 930, 1064, 1085, 1140, 1178, 1240, 1286, 1302, 1330, 1596, 1736, 1767, 1860, 1929, 1995, 2170, 2280, 2356, 2572, 2604, 2660, 2945, 3192, 3215, 3255, 3534, 3720, 3858, 3990, 4123, 4340, 4501, 4712, 5144, 5208, 5320, 5890, 6430, 6510, 7068, 7716, 7980, 8246, 8680, 8835, 9002, 9645, 11780, 12217, 12369, 12860, 13020, 13503, 14136, 15432, 15960, 16492, 17670, 18004, 19290, 19933, 20615, 22505, 23560, 24434, 24738, 25720, 26040, 27006, 32984, 35340, 36008, 36651, 38580, 39866, 41230, 45010, 48868, 49476, 54012, 59799, 61085, 61845, 67515, 70680, 73302, 77160, 79732, 82460, 85519, 90020, 97736, 98952, 99665, 108024, 119598, 122170, 123690, 135030, 139531, 146604, 159464, 164920, 171038, 180040, 183255, 199330, 239196, 244340, 247380, 256557, 270060, 279062, 293208, 298995, 342076, 366510, 378727, 398660, 418593, 427595, 478392, 488680, 494760, 513114, 540120, 558124, 597990, 684152, 697655, 733020, 757454, 797320, 837186, 855190, 1026228, 1116248, 1136181, 1195980, 1282785, 1395310, 1466040, 1514908, 1674372, 1710380, 1893635, 2052456, 2092965, 2272362, 2391960, 2565570, 2651089, 2790620, 3029816, 3348744, 3420760, 3787270, 4185930, 4544724, 5131140, 5302178, 5581240, 5680905, 7574540, 7953267, 8371860, 9089448, 10262280, 10604356, 11361810, 13255445, 15149080, 15906534, 16743720, 21208712, 22723620, 26510890, 31813068, 39766335, 45447240, 53021780, 63626136, 79532670, 106043560, 159065340, 318130680]

約数ペア:

[(1, 318130680), (2, 159065340), (3, 106043560), (4, 79532670), (5, 63626136), (6, 53021780), (7, 45447240), (8, 39766335), (10, 31813068), (12, 26510890), (14, 22723620), (15, 21208712), (19, 16743720), (20, 15906534), (21, 15149080), (24, 13255445), (28, 11361810), (30, 10604356), (31, 10262280), (35, 9089448), (38, 8371860), (40, 7953267), (42, 7574540), (56, 5680905), (57, 5581240), (60, 5302178), (62, 5131140), (70, 4544724), (76, 4185930), (84, 3787270), (93, 3420760), (95, 3348744), (105, 3029816), (114, 2790620), (120, 2651089), (124, 2565570), (133, 2391960), (140, 2272362), (152, 2092965), (155, 2052456), (168, 1893635), (186, 1710380), (190, 1674372), (210, 1514908), (217, 1466040), (228, 1395310), (248, 1282785), (266, 1195980), (280, 1136181), (285, 1116248), (310, 1026228), (372, 855190), (380, 837186), (399, 797320), (420, 757454), (434, 733020), (456, 697655), (465, 684152), (532, 597990), (570, 558124), (589, 540120), (620, 513114), (643, 494760), (651, 488680), (665, 478392), (744, 427595), (760, 418593), (798, 398660), (840, 378727), (868, 366510), (930, 342076), (1064, 298995), (1085, 293208), (1140, 279062), (1178, 270060), (1240, 256557), (1286, 247380), (1302, 244340), (1330, 239196), (1596, 199330), (1736, 183255), (1767, 180040), (1860, 171038), (1929, 164920), (1995, 159464), (2170, 146604), (2280, 139531), (2356, 135030), (2572, 123690), (2604, 122170), (2660, 119598), (2945, 108024), (3192, 99665), (3215, 98952), (3255, 97736), (3534, 90020), (3720, 85519), (3858, 82460), (3990, 79732), (4123, 77160), (4340, 73302), (4501, 70680), (4712, 67515), (5144, 61845), (5208, 61085), (5320, 59799), (5890, 54012), (6430, 49476), (6510, 48868), (7068, 45010), (7716, 41230), (7980, 39866), (8246, 38580), (8680, 36651), (8835, 36008), (9002, 35340), (9645, 32984), (11780, 27006), (12217, 26040), (12369, 25720), (12860, 24738), (13020, 24434), (13503, 23560), (14136, 22505), (15432, 20615), (15960, 19933), (16492, 19290), (17670, 18004)]