256418459640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4424059}}^1$

素因数の和:4424106

約数の個数: 192

約数和(自身を含む): 993820838400

約数和(自身を除く): 737402378760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 414, 420, 460, 483, 504, 552, 630, 644, 690, 805, 828, 840, 920, 966, 1035, 1260, 1288, 1380, 1449, 1610, 1656, 1932, 2070, 2415, 2520, 2760, 2898, 3220, 3864, 4140, 4830, 5796, 6440, 7245, 8280, 9660, 11592, 14490, 19320, 28980, 57960, 4424059, 8848118, 13272177, 17696236, 22120295, 26544354, 30968413, 35392472, 39816531, 44240590, 53088708, 61936826, 66360885, 79633062, 88481180, 92905239, 101753357, 106177416, 123873652, 132721770, 154842065, 159266124, 176962360, 185810478, 199082655, 203506714, 247747304, 265443540, 278715717, 305260071, 309684130, 318532248, 371620956, 398165310, 407013428, 464526195, 508766785, 530887080, 557431434, 610520142, 619368260, 712273499, 743241912, 796330620, 814026856, 915780213, 929052390, 1017533570, 1114862868, 1221040284, 1238736520, 1393578585, 1424546998, 1526300355, 1592661240, 1831560426, 1858104780, 2035067140, 2136820497, 2229725736, 2442080568, 2787157170, 2849093996, 3052600710, 3561367495, 3663120852, 3716209560, 4070134280, 4273640994, 4578901065, 5574314340, 5698187992, 6105201420, 6410461491, 7122734990, 7326241704, 8547281988, 9157802130, 10684102485, 11148628680, 12210402840, 12820922982, 14245469980, 17094563976, 18315604260, 21368204970, 25641845964, 28490939960, 32052307455, 36631208520, 42736409940, 51283691928, 64104614910, 85472819880, 128209229820, 256418459640]

約数ペア:

[(1, 256418459640), (2, 128209229820), (3, 85472819880), (4, 64104614910), (5, 51283691928), (6, 42736409940), (7, 36631208520), (8, 32052307455), (9, 28490939960), (10, 25641845964), (12, 21368204970), (14, 18315604260), (15, 17094563976), (18, 14245469980), (20, 12820922982), (21, 12210402840), (23, 11148628680), (24, 10684102485), (28, 9157802130), (30, 8547281988), (35, 7326241704), (36, 7122734990), (40, 6410461491), (42, 6105201420), (45, 5698187992), (46, 5574314340), (56, 4578901065), (60, 4273640994), (63, 4070134280), (69, 3716209560), (70, 3663120852), (72, 3561367495), (84, 3052600710), (90, 2849093996), (92, 2787157170), (105, 2442080568), (115, 2229725736), (120, 2136820497), (126, 2035067140), (138, 1858104780), (140, 1831560426), (161, 1592661240), (168, 1526300355), (180, 1424546998), (184, 1393578585), (207, 1238736520), (210, 1221040284), (230, 1114862868), (252, 1017533570), (276, 929052390), (280, 915780213), (315, 814026856), (322, 796330620), (345, 743241912), (360, 712273499), (414, 619368260), (420, 610520142), (460, 557431434), (483, 530887080), (504, 508766785), (552, 464526195), (630, 407013428), (644, 398165310), (690, 371620956), (805, 318532248), (828, 309684130), (840, 305260071), (920, 278715717), (966, 265443540), (1035, 247747304), (1260, 203506714), (1288, 199082655), (1380, 185810478), (1449, 176962360), (1610, 159266124), (1656, 154842065), (1932, 132721770), (2070, 123873652), (2415, 106177416), (2520, 101753357), (2760, 92905239), (2898, 88481180), (3220, 79633062), (3864, 66360885), (4140, 61936826), (4830, 53088708), (5796, 44240590), (6440, 39816531), (7245, 35392472), (8280, 30968413), (9660, 26544354), (11592, 22120295), (14490, 17696236), (19320, 13272177), (28980, 8848118), (57960, 4424059)]