221952080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 621388800

約数和(自身を除く): 399436720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 79, 80, 112, 116, 140, 145, 158, 173, 203, 232, 280, 290, 316, 346, 395, 406, 464, 553, 560, 580, 632, 692, 790, 812, 865, 1015, 1106, 1160, 1211, 1264, 1384, 1580, 1624, 1730, 2030, 2212, 2291, 2320, 2422, 2765, 2768, 3160, 3248, 3460, 4060, 4424, 4582, 4844, 5017, 5530, 6055, 6320, 6920, 8120, 8848, 9164, 9688, 10034, 11060, 11455, 12110, 13667, 13840, 16037, 16240, 18328, 19376, 20068, 22120, 22910, 24220, 25085, 27334, 32074, 35119, 36656, 40136, 44240, 45820, 48440, 50170, 54668, 64148, 68335, 70238, 80185, 80272, 91640, 95669, 96880, 100340, 109336, 128296, 136670, 140476, 160370, 175595, 183280, 191338, 200680, 218672, 256592, 273340, 280952, 320740, 351190, 382676, 396343, 401360, 478345, 546680, 561904, 641480, 702380, 765352, 792686, 956690, 1093360, 1282960, 1404760, 1530704, 1585372, 1913380, 1981715, 2774401, 2809520, 3170744, 3826760, 3963430, 5548802, 6341488, 7653520, 7926860, 11097604, 13872005, 15853720, 22195208, 27744010, 31707440, 44390416, 55488020, 110976040, 221952080]

約数ペア:

[(1, 221952080), (2, 110976040), (4, 55488020), (5, 44390416), (7, 31707440), (8, 27744010), (10, 22195208), (14, 15853720), (16, 13872005), (20, 11097604), (28, 7926860), (29, 7653520), (35, 6341488), (40, 5548802), (56, 3963430), (58, 3826760), (70, 3170744), (79, 2809520), (80, 2774401), (112, 1981715), (116, 1913380), (140, 1585372), (145, 1530704), (158, 1404760), (173, 1282960), (203, 1093360), (232, 956690), (280, 792686), (290, 765352), (316, 702380), (346, 641480), (395, 561904), (406, 546680), (464, 478345), (553, 401360), (560, 396343), (580, 382676), (632, 351190), (692, 320740), (790, 280952), (812, 273340), (865, 256592), (1015, 218672), (1106, 200680), (1160, 191338), (1211, 183280), (1264, 175595), (1384, 160370), (1580, 140476), (1624, 136670), (1730, 128296), (2030, 109336), (2212, 100340), (2291, 96880), (2320, 95669), (2422, 91640), (2765, 80272), (2768, 80185), (3160, 70238), (3248, 68335), (3460, 64148), (4060, 54668), (4424, 50170), (4582, 48440), (4844, 45820), (5017, 44240), (5530, 40136), (6055, 36656), (6320, 35119), (6920, 32074), (8120, 27334), (8848, 25085), (9164, 24220), (9688, 22910), (10034, 22120), (11060, 20068), (11455, 19376), (12110, 18328), (13667, 16240), (13840, 16037)]