204931440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 240

約数和(自身を含む): 798752448

約数和(自身を除く): 593821008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 73, 80, 84, 90, 105, 112, 120, 126, 140, 144, 146, 168, 180, 210, 219, 240, 252, 280, 292, 315, 336, 360, 365, 420, 438, 504, 511, 557, 560, 584, 630, 657, 720, 730, 840, 876, 1008, 1022, 1095, 1114, 1168, 1260, 1314, 1460, 1533, 1671, 1680, 1752, 2044, 2190, 2228, 2520, 2555, 2628, 2785, 2920, 3066, 3285, 3342, 3504, 3899, 4088, 4380, 4456, 4599, 5013, 5040, 5110, 5256, 5570, 5840, 6132, 6570, 6684, 7665, 7798, 8176, 8355, 8760, 8912, 9198, 10026, 10220, 10512, 11140, 11697, 12264, 13140, 13368, 15330, 15596, 16710, 17520, 18396, 19495, 20052, 20440, 22280, 22995, 23394, 24528, 25065, 26280, 26736, 30660, 31192, 33420, 35091, 36792, 38990, 40104, 40661, 40880, 44560, 45990, 46788, 50130, 52560, 58485, 61320, 62384, 66840, 70182, 73584, 77980, 80208, 81322, 91980, 93576, 100260, 116970, 121983, 122640, 133680, 140364, 155960, 162644, 175455, 183960, 187152, 200520, 203305, 233940, 243966, 280728, 284627, 311920, 325288, 350910, 365949, 367920, 401040, 406610, 467880, 487932, 561456, 569254, 609915, 650576, 701820, 731898, 813220, 853881, 935760, 975864, 1138508, 1219830, 1403640, 1423135, 1463796, 1626440, 1707762, 1829745, 1951728, 2277016, 2439660, 2561643, 2807280, 2846270, 2927592, 3252880, 3415524, 3659490, 4269405, 4554032, 4879320, 5123286, 5692540, 5855184, 6831048, 7318980, 8538810, 9758640, 10246572, 11385080, 12808215, 13662096, 14637960, 17077620, 20493144, 22770160, 25616430, 29275920, 34155240, 40986288, 51232860, 68310480, 102465720, 204931440]

約数ペア:

[(1, 204931440), (2, 102465720), (3, 68310480), (4, 51232860), (5, 40986288), (6, 34155240), (7, 29275920), (8, 25616430), (9, 22770160), (10, 20493144), (12, 17077620), (14, 14637960), (15, 13662096), (16, 12808215), (18, 11385080), (20, 10246572), (21, 9758640), (24, 8538810), (28, 7318980), (30, 6831048), (35, 5855184), (36, 5692540), (40, 5123286), (42, 4879320), (45, 4554032), (48, 4269405), (56, 3659490), (60, 3415524), (63, 3252880), (70, 2927592), (72, 2846270), (73, 2807280), (80, 2561643), (84, 2439660), (90, 2277016), (105, 1951728), (112, 1829745), (120, 1707762), (126, 1626440), (140, 1463796), (144, 1423135), (146, 1403640), (168, 1219830), (180, 1138508), (210, 975864), (219, 935760), (240, 853881), (252, 813220), (280, 731898), (292, 701820), (315, 650576), (336, 609915), (360, 569254), (365, 561456), (420, 487932), (438, 467880), (504, 406610), (511, 401040), (557, 367920), (560, 365949), (584, 350910), (630, 325288), (657, 311920), (720, 284627), (730, 280728), (840, 243966), (876, 233940), (1008, 203305), (1022, 200520), (1095, 187152), (1114, 183960), (1168, 175455), (1260, 162644), (1314, 155960), (1460, 140364), (1533, 133680), (1671, 122640), (1680, 121983), (1752, 116970), (2044, 100260), (2190, 93576), (2228, 91980), (2520, 81322), (2555, 80208), (2628, 77980), (2785, 73584), (2920, 70182), (3066, 66840), (3285, 62384), (3342, 61320), (3504, 58485), (3899, 52560), (4088, 50130), (4380, 46788), (4456, 45990), (4599, 44560), (5013, 40880), (5040, 40661), (5110, 40104), (5256, 38990), (5570, 36792), (5840, 35091), (6132, 33420), (6570, 31192), (6684, 30660), (7665, 26736), (7798, 26280), (8176, 25065), (8355, 24528), (8760, 23394), (8912, 22995), (9198, 22280), (10026, 20440), (10220, 20052), (10512, 19495), (11140, 18396), (11697, 17520), (12264, 16710), (13140, 15596), (13368, 15330)]