1640847360

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1784

約数の個数: 192

約数和(自身を含む): 5421911040

約数和(自身を除く): 3781063680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 512, 620, 640, 744, 768, 930, 960, 992, 1024, 1240, 1280, 1488, 1536, 1723, 1860, 1920, 1984, 2048, 2480, 2560, 2976, 3072, 3446, 3720, 3840, 3968, 4960, 5120, 5169, 5952, 6144, 6892, 7440, 7680, 7936, 8615, 9920, 10240, 10338, 11904, 13784, 14880, 15360, 15872, 17230, 19840, 20676, 23808, 25845, 27568, 29760, 30720, 31744, 34460, 39680, 41352, 47616, 51690, 53413, 55136, 59520, 63488, 68920, 79360, 82704, 95232, 103380, 106826, 110272, 119040, 137840, 158720, 160239, 165408, 190464, 206760, 213652, 220544, 238080, 267065, 275680, 317440, 320478, 330816, 413520, 427304, 441088, 476160, 534130, 551360, 640956, 661632, 801195, 827040, 854608, 882176, 952320, 1068260, 1102720, 1281912, 1323264, 1602390, 1654080, 1709216, 1764352, 2136520, 2205440, 2563824, 2646528, 3204780, 3308160, 3418432, 3528704, 4273040, 4410880, 5127648, 5293056, 6409560, 6616320, 6836864, 8546080, 8821760, 10255296, 10586112, 12819120, 13232640, 13673728, 17092160, 17643520, 20510592, 25638240, 26465280, 27347456, 34184320, 41021184, 51276480, 52930560, 54694912, 68368640, 82042368, 102552960, 109389824, 136737280, 164084736, 205105920, 273474560, 328169472, 410211840, 546949120, 820423680, 1640847360]

約数ペア:

[(1, 1640847360), (2, 820423680), (3, 546949120), (4, 410211840), (5, 328169472), (6, 273474560), (8, 205105920), (10, 164084736), (12, 136737280), (15, 109389824), (16, 102552960), (20, 82042368), (24, 68368640), (30, 54694912), (31, 52930560), (32, 51276480), (40, 41021184), (48, 34184320), (60, 27347456), (62, 26465280), (64, 25638240), (80, 20510592), (93, 17643520), (96, 17092160), (120, 13673728), (124, 13232640), (128, 12819120), (155, 10586112), (160, 10255296), (186, 8821760), (192, 8546080), (240, 6836864), (248, 6616320), (256, 6409560), (310, 5293056), (320, 5127648), (372, 4410880), (384, 4273040), (465, 3528704), (480, 3418432), (496, 3308160), (512, 3204780), (620, 2646528), (640, 2563824), (744, 2205440), (768, 2136520), (930, 1764352), (960, 1709216), (992, 1654080), (1024, 1602390), (1240, 1323264), (1280, 1281912), (1488, 1102720), (1536, 1068260), (1723, 952320), (1860, 882176), (1920, 854608), (1984, 827040), (2048, 801195), (2480, 661632), (2560, 640956), (2976, 551360), (3072, 534130), (3446, 476160), (3720, 441088), (3840, 427304), (3968, 413520), (4960, 330816), (5120, 320478), (5169, 317440), (5952, 275680), (6144, 267065), (6892, 238080), (7440, 220544), (7680, 213652), (7936, 206760), (8615, 190464), (9920, 165408), (10240, 160239), (10338, 158720), (11904, 137840), (13784, 119040), (14880, 110272), (15360, 106826), (15872, 103380), (17230, 95232), (19840, 82704), (20676, 79360), (23808, 68920), (25845, 63488), (27568, 59520), (29760, 55136), (30720, 53413), (31744, 51690), (34460, 47616), (39680, 41352)]