20769967440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1\times {\mathrm{691}}^1$

素因数の和:1202

約数の個数: 240

約数和(自身を含む): 70678333440

約数和(自身を除く): 49908366000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 383, 436, 545, 654, 691, 720, 766, 872, 981, 1090, 1149, 1308, 1382, 1532, 1635, 1744, 1915, 1962, 2073, 2180, 2298, 2616, 2764, 3064, 3270, 3447, 3455, 3830, 3924, 4146, 4360, 4596, 4905, 5232, 5528, 5745, 6128, 6219, 6540, 6894, 6910, 7660, 7848, 8292, 8720, 9192, 9810, 10365, 11056, 11490, 12438, 13080, 13788, 13820, 15320, 15696, 16584, 17235, 18384, 19620, 20730, 22980, 24876, 26160, 27576, 27640, 30640, 31095, 33168, 34470, 39240, 41460, 41747, 45960, 49752, 55152, 55280, 62190, 68940, 75319, 78480, 82920, 83494, 91920, 99504, 124380, 125241, 137880, 150638, 165840, 166988, 208735, 225957, 248760, 250482, 264653, 275760, 301276, 333976, 375723, 376595, 417470, 451914, 497520, 500964, 529306, 602552, 626205, 667952, 677871, 751446, 753190, 793959, 834940, 903828, 1001928, 1058612, 1129785, 1205104, 1252410, 1323265, 1355742, 1502892, 1506380, 1587918, 1669880, 1807656, 1878615, 2003856, 2117224, 2259570, 2381877, 2504820, 2646530, 2711484, 3005784, 3012760, 3175836, 3339760, 3389355, 3615312, 3757230, 3969795, 4234448, 4519140, 4763754, 5009640, 5293060, 5422968, 6011568, 6025520, 6351672, 6778710, 7514460, 7939590, 9038280, 9527508, 10019280, 10586120, 10845936, 11909385, 12703344, 13557420, 15028920, 15879180, 18076560, 19055016, 21172240, 23818770, 27114840, 28847177, 30057840, 31758360, 38110032, 47637540, 54229680, 57694354, 63516720, 86541531, 95275080, 115388708, 144235885, 173083062, 190550160, 230777416, 259624593, 288471770, 346166124, 432707655, 461554832, 519249186, 576943540, 692332248, 865415310, 1038498372, 1153887080, 1298122965, 1384664496, 1730830620, 2076996744, 2307774160, 2596245930, 3461661240, 4153993488, 5192491860, 6923322480, 10384983720, 20769967440]

約数ペア:

[(1, 20769967440), (2, 10384983720), (3, 6923322480), (4, 5192491860), (5, 4153993488), (6, 3461661240), (8, 2596245930), (9, 2307774160), (10, 2076996744), (12, 1730830620), (15, 1384664496), (16, 1298122965), (18, 1153887080), (20, 1038498372), (24, 865415310), (30, 692332248), (36, 576943540), (40, 519249186), (45, 461554832), (48, 432707655), (60, 346166124), (72, 288471770), (80, 259624593), (90, 230777416), (109, 190550160), (120, 173083062), (144, 144235885), (180, 115388708), (218, 95275080), (240, 86541531), (327, 63516720), (360, 57694354), (383, 54229680), (436, 47637540), (545, 38110032), (654, 31758360), (691, 30057840), (720, 28847177), (766, 27114840), (872, 23818770), (981, 21172240), (1090, 19055016), (1149, 18076560), (1308, 15879180), (1382, 15028920), (1532, 13557420), (1635, 12703344), (1744, 11909385), (1915, 10845936), (1962, 10586120), (2073, 10019280), (2180, 9527508), (2298, 9038280), (2616, 7939590), (2764, 7514460), (3064, 6778710), (3270, 6351672), (3447, 6025520), (3455, 6011568), (3830, 5422968), (3924, 5293060), (4146, 5009640), (4360, 4763754), (4596, 4519140), (4905, 4234448), (5232, 3969795), (5528, 3757230), (5745, 3615312), (6128, 3389355), (6219, 3339760), (6540, 3175836), (6894, 3012760), (6910, 3005784), (7660, 2711484), (7848, 2646530), (8292, 2504820), (8720, 2381877), (9192, 2259570), (9810, 2117224), (10365, 2003856), (11056, 1878615), (11490, 1807656), (12438, 1669880), (13080, 1587918), (13788, 1506380), (13820, 1502892), (15320, 1355742), (15696, 1323265), (16584, 1252410), (17235, 1205104), (18384, 1129785), (19620, 1058612), (20730, 1001928), (22980, 903828), (24876, 834940), (26160, 793959), (27576, 753190), (27640, 751446), (30640, 677871), (31095, 667952), (33168, 626205), (34470, 602552), (39240, 529306), (41460, 500964), (41747, 497520), (45960, 451914), (49752, 417470), (55152, 376595), (55280, 375723), (62190, 333976), (68940, 301276), (75319, 275760), (78480, 264653), (82920, 250482), (83494, 248760), (91920, 225957), (99504, 208735), (124380, 166988), (125241, 165840), (137880, 150638)]