90901920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 304819200

約数和(自身を除く): 213917280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 80, 82, 93, 96, 120, 123, 124, 149, 155, 160, 164, 186, 205, 240, 246, 248, 298, 310, 328, 372, 410, 447, 465, 480, 492, 496, 596, 615, 620, 656, 744, 745, 820, 894, 930, 984, 992, 1192, 1230, 1240, 1271, 1312, 1488, 1490, 1640, 1788, 1860, 1968, 2235, 2384, 2460, 2480, 2542, 2976, 2980, 3280, 3576, 3720, 3813, 3936, 4470, 4619, 4768, 4920, 4960, 5084, 5960, 6109, 6355, 6560, 7152, 7440, 7626, 8940, 9238, 9840, 10168, 11920, 12218, 12710, 13857, 14304, 14880, 15252, 17880, 18327, 18476, 19065, 19680, 20336, 23095, 23840, 24436, 25420, 27714, 30504, 30545, 35760, 36654, 36952, 38130, 40672, 46190, 48872, 50840, 55428, 61008, 61090, 69285, 71520, 73308, 73904, 76260, 91635, 92380, 97744, 101680, 110856, 122016, 122180, 138570, 146616, 147808, 152520, 183270, 184760, 189379, 195488, 203360, 221712, 244360, 277140, 293232, 305040, 366540, 369520, 378758, 443424, 488720, 554280, 568137, 586464, 610080, 733080, 739040, 757516, 946895, 977440, 1108560, 1136274, 1466160, 1515032, 1893790, 2217120, 2272548, 2840685, 2932320, 3030064, 3787580, 4545096, 5681370, 6060128, 7575160, 9090192, 11362740, 15150320, 18180384, 22725480, 30300640, 45450960, 90901920]

約数ペア:

[(1, 90901920), (2, 45450960), (3, 30300640), (4, 22725480), (5, 18180384), (6, 15150320), (8, 11362740), (10, 9090192), (12, 7575160), (15, 6060128), (16, 5681370), (20, 4545096), (24, 3787580), (30, 3030064), (31, 2932320), (32, 2840685), (40, 2272548), (41, 2217120), (48, 1893790), (60, 1515032), (62, 1466160), (80, 1136274), (82, 1108560), (93, 977440), (96, 946895), (120, 757516), (123, 739040), (124, 733080), (149, 610080), (155, 586464), (160, 568137), (164, 554280), (186, 488720), (205, 443424), (240, 378758), (246, 369520), (248, 366540), (298, 305040), (310, 293232), (328, 277140), (372, 244360), (410, 221712), (447, 203360), (465, 195488), (480, 189379), (492, 184760), (496, 183270), (596, 152520), (615, 147808), (620, 146616), (656, 138570), (744, 122180), (745, 122016), (820, 110856), (894, 101680), (930, 97744), (984, 92380), (992, 91635), (1192, 76260), (1230, 73904), (1240, 73308), (1271, 71520), (1312, 69285), (1488, 61090), (1490, 61008), (1640, 55428), (1788, 50840), (1860, 48872), (1968, 46190), (2235, 40672), (2384, 38130), (2460, 36952), (2480, 36654), (2542, 35760), (2976, 30545), (2980, 30504), (3280, 27714), (3576, 25420), (3720, 24436), (3813, 23840), (3936, 23095), (4470, 20336), (4619, 19680), (4768, 19065), (4920, 18476), (4960, 18327), (5084, 17880), (5960, 15252), (6109, 14880), (6355, 14304), (6560, 13857), (7152, 12710), (7440, 12218), (7626, 11920), (8940, 10168), (9238, 9840)]