1311697920

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6569}}^1$

素因数の和:6610

約数の個数: 176

約数和(自身を含む): 4518793440

約数和(自身を除く): 3207095520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 3072, 3120, 3328, 3840, 4160, 4992, 5120, 6240, 6569, 6656, 7680, 8320, 9984, 12480, 13138, 13312, 15360, 16640, 19707, 19968, 24960, 26276, 32845, 33280, 39414, 39936, 49920, 52552, 65690, 66560, 78828, 85397, 98535, 99840, 105104, 131380, 157656, 170794, 197070, 199680, 210208, 256191, 262760, 315312, 341588, 394140, 420416, 426985, 512382, 525520, 630624, 683176, 788280, 840832, 853970, 1024764, 1051040, 1261248, 1280955, 1366352, 1576560, 1681664, 1707940, 2049528, 2102080, 2522496, 2561910, 2732704, 3153120, 3363328, 3415880, 4099056, 4204160, 5044992, 5123820, 5465408, 6306240, 6726656, 6831760, 8198112, 8408320, 10089984, 10247640, 10930816, 12612480, 13663520, 16396224, 16816640, 20179968, 20495280, 21861632, 25224960, 27327040, 32792448, 33633280, 40990560, 43723264, 50449920, 54654080, 65584896, 81981120, 87446528, 100899840, 109308160, 131169792, 163962240, 218616320, 262339584, 327924480, 437232640, 655848960, 1311697920]

約数ペア:

[(1, 1311697920), (2, 655848960), (3, 437232640), (4, 327924480), (5, 262339584), (6, 218616320), (8, 163962240), (10, 131169792), (12, 109308160), (13, 100899840), (15, 87446528), (16, 81981120), (20, 65584896), (24, 54654080), (26, 50449920), (30, 43723264), (32, 40990560), (39, 33633280), (40, 32792448), (48, 27327040), (52, 25224960), (60, 21861632), (64, 20495280), (65, 20179968), (78, 16816640), (80, 16396224), (96, 13663520), (104, 12612480), (120, 10930816), (128, 10247640), (130, 10089984), (156, 8408320), (160, 8198112), (192, 6831760), (195, 6726656), (208, 6306240), (240, 5465408), (256, 5123820), (260, 5044992), (312, 4204160), (320, 4099056), (384, 3415880), (390, 3363328), (416, 3153120), (480, 2732704), (512, 2561910), (520, 2522496), (624, 2102080), (640, 2049528), (768, 1707940), (780, 1681664), (832, 1576560), (960, 1366352), (1024, 1280955), (1040, 1261248), (1248, 1051040), (1280, 1024764), (1536, 853970), (1560, 840832), (1664, 788280), (1920, 683176), (2080, 630624), (2496, 525520), (2560, 512382), (3072, 426985), (3120, 420416), (3328, 394140), (3840, 341588), (4160, 315312), (4992, 262760), (5120, 256191), (6240, 210208), (6569, 199680), (6656, 197070), (7680, 170794), (8320, 157656), (9984, 131380), (12480, 105104), (13138, 99840), (13312, 98535), (15360, 85397), (16640, 78828), (19707, 66560), (19968, 65690), (24960, 52552), (26276, 49920), (32845, 39936), (33280, 39414)]