18720728400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{14621}}^1$

素因数の和:14750

約数の個数: 240

約数和(自身を含む): 66099394368

約数和(自身を除く): 47378665968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 97, 100, 110, 120, 132, 150, 165, 176, 194, 200, 220, 240, 264, 275, 291, 300, 330, 388, 400, 440, 485, 528, 550, 582, 600, 660, 776, 825, 880, 970, 1067, 1100, 1164, 1200, 1320, 1455, 1552, 1650, 1940, 2134, 2200, 2328, 2425, 2640, 2910, 3201, 3300, 3880, 4268, 4400, 4656, 4850, 5335, 5820, 6402, 6600, 7275, 7760, 8536, 9700, 10670, 11640, 12804, 13200, 14550, 14621, 16005, 17072, 19400, 21340, 23280, 25608, 26675, 29100, 29242, 32010, 38800, 42680, 43863, 51216, 53350, 58200, 58484, 64020, 73105, 80025, 85360, 87726, 106700, 116400, 116968, 128040, 146210, 160050, 160831, 175452, 213400, 219315, 233936, 256080, 292420, 320100, 321662, 350904, 365525, 426800, 438630, 482493, 584840, 640200, 643324, 701808, 731050, 804155, 877260, 964986, 1096575, 1169680, 1280400, 1286648, 1418237, 1462100, 1608310, 1754520, 1929972, 2193150, 2412465, 2573296, 2836474, 2924200, 3216620, 3509040, 3859944, 4020775, 4254711, 4386300, 4824930, 5672948, 5848400, 6433240, 7091185, 7719888, 8041550, 8509422, 8772600, 9649860, 11345896, 12062325, 12866480, 14182370, 15600607, 16083100, 17018844, 17545200, 19299720, 21273555, 22691792, 24124650, 28364740, 31201214, 32166200, 34037688, 35455925, 38599440, 42547110, 46801821, 48249300, 56729480, 62402428, 64332400, 68075376, 70911850, 78003035, 85094220, 93603642, 96498600, 106367775, 113458960, 124804856, 141823700, 156006070, 170188440, 187207284, 192997200, 212735550, 234009105, 249609712, 283647400, 312012140, 340376880, 374414568, 390015175, 425471100, 468018210, 567294800, 624024280, 748829136, 780030350, 850942200, 936036420, 1170045525, 1248048560, 1560060700, 1701884400, 1872072840, 2340091050, 3120121400, 3744145680, 4680182100, 6240242800, 9360364200, 18720728400]

約数ペア:

[(1, 18720728400), (2, 9360364200), (3, 6240242800), (4, 4680182100), (5, 3744145680), (6, 3120121400), (8, 2340091050), (10, 1872072840), (11, 1701884400), (12, 1560060700), (15, 1248048560), (16, 1170045525), (20, 936036420), (22, 850942200), (24, 780030350), (25, 748829136), (30, 624024280), (33, 567294800), (40, 468018210), (44, 425471100), (48, 390015175), (50, 374414568), (55, 340376880), (60, 312012140), (66, 283647400), (75, 249609712), (80, 234009105), (88, 212735550), (97, 192997200), (100, 187207284), (110, 170188440), (120, 156006070), (132, 141823700), (150, 124804856), (165, 113458960), (176, 106367775), (194, 96498600), (200, 93603642), (220, 85094220), (240, 78003035), (264, 70911850), (275, 68075376), (291, 64332400), (300, 62402428), (330, 56729480), (388, 48249300), (400, 46801821), (440, 42547110), (485, 38599440), (528, 35455925), (550, 34037688), (582, 32166200), (600, 31201214), (660, 28364740), (776, 24124650), (825, 22691792), (880, 21273555), (970, 19299720), (1067, 17545200), (1100, 17018844), (1164, 16083100), (1200, 15600607), (1320, 14182370), (1455, 12866480), (1552, 12062325), (1650, 11345896), (1940, 9649860), (2134, 8772600), (2200, 8509422), (2328, 8041550), (2425, 7719888), (2640, 7091185), (2910, 6433240), (3201, 5848400), (3300, 5672948), (3880, 4824930), (4268, 4386300), (4400, 4254711), (4656, 4020775), (4850, 3859944), (5335, 3509040), (5820, 3216620), (6402, 2924200), (6600, 2836474), (7275, 2573296), (7760, 2412465), (8536, 2193150), (9700, 1929972), (10670, 1754520), (11640, 1608310), (12804, 1462100), (13200, 1418237), (14550, 1286648), (14621, 1280400), (16005, 1169680), (17072, 1096575), (19400, 964986), (21340, 877260), (23280, 804155), (25608, 731050), (26675, 701808), (29100, 643324), (29242, 640200), (32010, 584840), (38800, 482493), (42680, 438630), (43863, 426800), (51216, 365525), (53350, 350904), (58200, 321662), (58484, 320100), (64020, 292420), (73105, 256080), (80025, 233936), (85360, 219315), (87726, 213400), (106700, 175452), (116400, 160831), (116968, 160050), (128040, 146210)]