255666320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 774794160

約数和(自身を除く): 519127840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 49, 52, 56, 58, 65, 70, 80, 91, 98, 104, 112, 116, 130, 140, 145, 173, 182, 196, 203, 208, 232, 245, 260, 280, 290, 346, 364, 377, 392, 406, 455, 464, 490, 520, 560, 580, 637, 692, 728, 754, 784, 812, 865, 910, 980, 1015, 1040, 1160, 1211, 1274, 1384, 1421, 1456, 1508, 1624, 1730, 1820, 1885, 1960, 2030, 2249, 2320, 2422, 2548, 2639, 2768, 2842, 3016, 3185, 3248, 3460, 3640, 3770, 3920, 4060, 4498, 4844, 5017, 5096, 5278, 5684, 6032, 6055, 6370, 6920, 7105, 7280, 7540, 8120, 8477, 8996, 9688, 10034, 10192, 10556, 11245, 11368, 12110, 12740, 13195, 13840, 14210, 15080, 15743, 16240, 16954, 17992, 18473, 19376, 20068, 21112, 22490, 22736, 24220, 25085, 25480, 26390, 28420, 30160, 31486, 33908, 35119, 35984, 36946, 40136, 42224, 42385, 44980, 48440, 50170, 50960, 52780, 56840, 62972, 65221, 67816, 70238, 73892, 78715, 80272, 84770, 89960, 92365, 96880, 100340, 105560, 110201, 113680, 125944, 130442, 135632, 140476, 147784, 157430, 169540, 175595, 179920, 184730, 200680, 211120, 220402, 245833, 251888, 260884, 280952, 295568, 314860, 326105, 339080, 351190, 369460, 401360, 440804, 456547, 491666, 521768, 551005, 561904, 629720, 652210, 678160, 702380, 738920, 881608, 913094, 983332, 1043536, 1102010, 1229165, 1259440, 1304420, 1404760, 1477840, 1763216, 1826188, 1966664, 2204020, 2282735, 2458330, 2608840, 2809520, 3195829, 3652376, 3933328, 4408040, 4565470, 4916660, 5217680, 6391658, 7304752, 8816080, 9130940, 9833320, 12783316, 15979145, 18261880, 19666640, 25566632, 31958290, 36523760, 51133264, 63916580, 127833160, 255666320]

約数ペア:

[(1, 255666320), (2, 127833160), (4, 63916580), (5, 51133264), (7, 36523760), (8, 31958290), (10, 25566632), (13, 19666640), (14, 18261880), (16, 15979145), (20, 12783316), (26, 9833320), (28, 9130940), (29, 8816080), (35, 7304752), (40, 6391658), (49, 5217680), (52, 4916660), (56, 4565470), (58, 4408040), (65, 3933328), (70, 3652376), (80, 3195829), (91, 2809520), (98, 2608840), (104, 2458330), (112, 2282735), (116, 2204020), (130, 1966664), (140, 1826188), (145, 1763216), (173, 1477840), (182, 1404760), (196, 1304420), (203, 1259440), (208, 1229165), (232, 1102010), (245, 1043536), (260, 983332), (280, 913094), (290, 881608), (346, 738920), (364, 702380), (377, 678160), (392, 652210), (406, 629720), (455, 561904), (464, 551005), (490, 521768), (520, 491666), (560, 456547), (580, 440804), (637, 401360), (692, 369460), (728, 351190), (754, 339080), (784, 326105), (812, 314860), (865, 295568), (910, 280952), (980, 260884), (1015, 251888), (1040, 245833), (1160, 220402), (1211, 211120), (1274, 200680), (1384, 184730), (1421, 179920), (1456, 175595), (1508, 169540), (1624, 157430), (1730, 147784), (1820, 140476), (1885, 135632), (1960, 130442), (2030, 125944), (2249, 113680), (2320, 110201), (2422, 105560), (2548, 100340), (2639, 96880), (2768, 92365), (2842, 89960), (3016, 84770), (3185, 80272), (3248, 78715), (3460, 73892), (3640, 70238), (3770, 67816), (3920, 65221), (4060, 62972), (4498, 56840), (4844, 52780), (5017, 50960), (5096, 50170), (5278, 48440), (5684, 44980), (6032, 42385), (6055, 42224), (6370, 40136), (6920, 36946), (7105, 35984), (7280, 35119), (7540, 33908), (8120, 31486), (8477, 30160), (8996, 28420), (9688, 26390), (10034, 25480), (10192, 25085), (10556, 24220), (11245, 22736), (11368, 22490), (12110, 21112), (12740, 20068), (13195, 19376), (13840, 18473), (14210, 17992), (15080, 16954), (15743, 16240)]