640587360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2297}}^1$

素因数の和:2405

約数の個数: 192

約数和(自身を含む): 2334915072

約数和(自身を除く): 1694327712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 96, 105, 112, 120, 140, 160, 166, 168, 210, 224, 240, 249, 280, 332, 336, 415, 420, 480, 498, 560, 581, 664, 672, 830, 840, 996, 1120, 1162, 1245, 1328, 1660, 1680, 1743, 1992, 2297, 2324, 2490, 2656, 2905, 3320, 3360, 3486, 3984, 4594, 4648, 4980, 5810, 6640, 6891, 6972, 7968, 8715, 9188, 9296, 9960, 11485, 11620, 13280, 13782, 13944, 16079, 17430, 18376, 18592, 19920, 22970, 23240, 27564, 27888, 32158, 34455, 34860, 36752, 39840, 45940, 46480, 48237, 55128, 55776, 64316, 68910, 69720, 73504, 80395, 91880, 92960, 96474, 110256, 128632, 137820, 139440, 160790, 183760, 190651, 192948, 220512, 241185, 257264, 275640, 278880, 321580, 367520, 381302, 385896, 482370, 514528, 551280, 571953, 643160, 762604, 771792, 953255, 964740, 1102560, 1143906, 1286320, 1334557, 1525208, 1543584, 1906510, 1929480, 2287812, 2572640, 2669114, 2859765, 3050416, 3813020, 3858960, 4003671, 4575624, 5338228, 5719530, 6100832, 6672785, 7626040, 7717920, 8007342, 9151248, 10676456, 11439060, 13345570, 15252080, 16014684, 18302496, 20018355, 21352912, 22878120, 26691140, 30504160, 32029368, 40036710, 42705824, 45756240, 53382280, 64058736, 80073420, 91512480, 106764560, 128117472, 160146840, 213529120, 320293680, 640587360]

約数ペア:

[(1, 640587360), (2, 320293680), (3, 213529120), (4, 160146840), (5, 128117472), (6, 106764560), (7, 91512480), (8, 80073420), (10, 64058736), (12, 53382280), (14, 45756240), (15, 42705824), (16, 40036710), (20, 32029368), (21, 30504160), (24, 26691140), (28, 22878120), (30, 21352912), (32, 20018355), (35, 18302496), (40, 16014684), (42, 15252080), (48, 13345570), (56, 11439060), (60, 10676456), (70, 9151248), (80, 8007342), (83, 7717920), (84, 7626040), (96, 6672785), (105, 6100832), (112, 5719530), (120, 5338228), (140, 4575624), (160, 4003671), (166, 3858960), (168, 3813020), (210, 3050416), (224, 2859765), (240, 2669114), (249, 2572640), (280, 2287812), (332, 1929480), (336, 1906510), (415, 1543584), (420, 1525208), (480, 1334557), (498, 1286320), (560, 1143906), (581, 1102560), (664, 964740), (672, 953255), (830, 771792), (840, 762604), (996, 643160), (1120, 571953), (1162, 551280), (1245, 514528), (1328, 482370), (1660, 385896), (1680, 381302), (1743, 367520), (1992, 321580), (2297, 278880), (2324, 275640), (2490, 257264), (2656, 241185), (2905, 220512), (3320, 192948), (3360, 190651), (3486, 183760), (3984, 160790), (4594, 139440), (4648, 137820), (4980, 128632), (5810, 110256), (6640, 96474), (6891, 92960), (6972, 91880), (7968, 80395), (8715, 73504), (9188, 69720), (9296, 68910), (9960, 64316), (11485, 55776), (11620, 55128), (13280, 48237), (13782, 46480), (13944, 45940), (16079, 39840), (17430, 36752), (18376, 34860), (18592, 34455), (19920, 32158), (22970, 27888), (23240, 27564)]