123151920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 407116800

約数和(自身を除く): 283964880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 113, 114, 120, 152, 190, 226, 228, 239, 240, 285, 304, 339, 380, 452, 456, 478, 565, 570, 678, 717, 760, 904, 912, 956, 1130, 1140, 1195, 1356, 1434, 1520, 1695, 1808, 1912, 2147, 2260, 2280, 2390, 2712, 2868, 3390, 3585, 3824, 4294, 4520, 4541, 4560, 4780, 5424, 5736, 6441, 6780, 7170, 8588, 9040, 9082, 9560, 10735, 11472, 12882, 13560, 13623, 14340, 17176, 18164, 19120, 21470, 22705, 25764, 27007, 27120, 27246, 28680, 32205, 34352, 36328, 42940, 45410, 51528, 54014, 54492, 57360, 64410, 68115, 72656, 81021, 85880, 90820, 103056, 108028, 108984, 128820, 135035, 136230, 162042, 171760, 181640, 216056, 217968, 257640, 270070, 272460, 324084, 363280, 405105, 432112, 513133, 515280, 540140, 544920, 648168, 810210, 1026266, 1080280, 1089840, 1296336, 1539399, 1620420, 2052532, 2160560, 2565665, 3078798, 3240840, 4105064, 5131330, 6157596, 6481680, 7696995, 8210128, 10262660, 12315192, 15393990, 20525320, 24630384, 30787980, 41050640, 61575960, 123151920]

約数ペア:

[(1, 123151920), (2, 61575960), (3, 41050640), (4, 30787980), (5, 24630384), (6, 20525320), (8, 15393990), (10, 12315192), (12, 10262660), (15, 8210128), (16, 7696995), (19, 6481680), (20, 6157596), (24, 5131330), (30, 4105064), (38, 3240840), (40, 3078798), (48, 2565665), (57, 2160560), (60, 2052532), (76, 1620420), (80, 1539399), (95, 1296336), (113, 1089840), (114, 1080280), (120, 1026266), (152, 810210), (190, 648168), (226, 544920), (228, 540140), (239, 515280), (240, 513133), (285, 432112), (304, 405105), (339, 363280), (380, 324084), (452, 272460), (456, 270070), (478, 257640), (565, 217968), (570, 216056), (678, 181640), (717, 171760), (760, 162042), (904, 136230), (912, 135035), (956, 128820), (1130, 108984), (1140, 108028), (1195, 103056), (1356, 90820), (1434, 85880), (1520, 81021), (1695, 72656), (1808, 68115), (1912, 64410), (2147, 57360), (2260, 54492), (2280, 54014), (2390, 51528), (2712, 45410), (2868, 42940), (3390, 36328), (3585, 34352), (3824, 32205), (4294, 28680), (4520, 27246), (4541, 27120), (4560, 27007), (4780, 25764), (5424, 22705), (5736, 21470), (6441, 19120), (6780, 18164), (7170, 17176), (8588, 14340), (9040, 13623), (9082, 13560), (9560, 12882), (10735, 11472)]