20182572800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3323}}^1$

素因数の和:3435

約数の個数: 216

約数和(自身を含む): 54551081424

約数和(自身を除く): 34368508624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 73, 80, 100, 104, 128, 130, 146, 160, 200, 208, 256, 260, 292, 320, 325, 365, 400, 416, 520, 584, 640, 650, 730, 800, 832, 949, 1040, 1168, 1280, 1300, 1460, 1600, 1664, 1825, 1898, 2080, 2336, 2600, 2920, 3200, 3323, 3328, 3650, 3796, 4160, 4672, 4745, 5200, 5840, 6400, 6646, 7300, 7592, 8320, 9344, 9490, 10400, 11680, 13292, 14600, 15184, 16615, 16640, 18688, 18980, 20800, 23360, 23725, 26584, 29200, 30368, 33230, 37960, 41600, 43199, 46720, 47450, 53168, 58400, 60736, 66460, 75920, 83075, 83200, 86398, 93440, 94900, 106336, 116800, 121472, 132920, 151840, 166150, 172796, 189800, 212672, 215995, 233600, 242579, 242944, 265840, 303680, 332300, 345592, 379600, 425344, 431990, 467200, 485158, 531680, 607360, 664600, 691184, 759200, 850688, 863980, 970316, 1063360, 1079975, 1212895, 1214720, 1329200, 1382368, 1518400, 1727960, 1940632, 2126720, 2159950, 2425790, 2658400, 2764736, 3036800, 3153527, 3455920, 3881264, 4253440, 4319900, 4851580, 5316800, 5529472, 6064475, 6073600, 6307054, 6911840, 7762528, 8639800, 9703160, 10633600, 11058944, 12128950, 12614108, 13823680, 15525056, 15767635, 17279600, 19406320, 21267200, 24257900, 25228216, 27647360, 31050112, 31535270, 34559200, 38812640, 48515800, 50456432, 55294720, 62100224, 63070540, 69118400, 77625280, 78838175, 97031600, 100912864, 126141080, 138236800, 155250560, 157676350, 194063200, 201825728, 252282160, 276473600, 310501120, 315352700, 388126400, 403651456, 504564320, 630705400, 776252800, 807302912, 1009128640, 1261410800, 1552505600, 2018257280, 2522821600, 4036514560, 5045643200, 10091286400, 20182572800]

約数ペア:

[(1, 20182572800), (2, 10091286400), (4, 5045643200), (5, 4036514560), (8, 2522821600), (10, 2018257280), (13, 1552505600), (16, 1261410800), (20, 1009128640), (25, 807302912), (26, 776252800), (32, 630705400), (40, 504564320), (50, 403651456), (52, 388126400), (64, 315352700), (65, 310501120), (73, 276473600), (80, 252282160), (100, 201825728), (104, 194063200), (128, 157676350), (130, 155250560), (146, 138236800), (160, 126141080), (200, 100912864), (208, 97031600), (256, 78838175), (260, 77625280), (292, 69118400), (320, 63070540), (325, 62100224), (365, 55294720), (400, 50456432), (416, 48515800), (520, 38812640), (584, 34559200), (640, 31535270), (650, 31050112), (730, 27647360), (800, 25228216), (832, 24257900), (949, 21267200), (1040, 19406320), (1168, 17279600), (1280, 15767635), (1300, 15525056), (1460, 13823680), (1600, 12614108), (1664, 12128950), (1825, 11058944), (1898, 10633600), (2080, 9703160), (2336, 8639800), (2600, 7762528), (2920, 6911840), (3200, 6307054), (3323, 6073600), (3328, 6064475), (3650, 5529472), (3796, 5316800), (4160, 4851580), (4672, 4319900), (4745, 4253440), (5200, 3881264), (5840, 3455920), (6400, 3153527), (6646, 3036800), (7300, 2764736), (7592, 2658400), (8320, 2425790), (9344, 2159950), (9490, 2126720), (10400, 1940632), (11680, 1727960), (13292, 1518400), (14600, 1382368), (15184, 1329200), (16615, 1214720), (16640, 1212895), (18688, 1079975), (18980, 1063360), (20800, 970316), (23360, 863980), (23725, 850688), (26584, 759200), (29200, 691184), (30368, 664600), (33230, 607360), (37960, 531680), (41600, 485158), (43199, 467200), (46720, 431990), (47450, 425344), (53168, 379600), (58400, 345592), (60736, 332300), (66460, 303680), (75920, 265840), (83075, 242944), (83200, 242579), (86398, 233600), (93440, 215995), (94900, 212672), (106336, 189800), (116800, 172796), (121472, 166150), (132920, 151840)]