1643419120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:879

約数の個数: 160

約数和(自身を含む): 4547137536

約数和(自身を除く): 2903718416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 137, 140, 155, 217, 248, 274, 280, 310, 434, 496, 548, 560, 620, 685, 691, 868, 959, 1085, 1096, 1240, 1370, 1382, 1736, 1918, 2170, 2192, 2480, 2740, 2764, 3455, 3472, 3836, 4247, 4340, 4795, 4837, 5480, 5528, 6910, 7672, 8494, 8680, 9590, 9674, 10960, 11056, 13820, 15344, 16988, 17360, 19180, 19348, 21235, 21421, 24185, 27640, 29729, 33976, 38360, 38696, 42470, 42842, 48370, 55280, 59458, 67952, 76720, 77392, 84940, 85684, 94667, 96740, 107105, 118916, 148645, 149947, 169880, 171368, 189334, 193480, 214210, 237832, 297290, 299894, 339760, 342736, 378668, 386960, 428420, 473335, 475664, 594580, 599788, 662669, 749735, 757336, 856840, 946670, 1189160, 1199576, 1325338, 1499470, 1514672, 1713680, 1893340, 2378320, 2399152, 2650676, 2934677, 2998940, 3313345, 3786680, 5301352, 5869354, 5997880, 6626690, 7573360, 10602704, 11738708, 11995760, 13253380, 14673385, 20542739, 23477416, 26506760, 29346770, 41085478, 46954832, 53013520, 58693540, 82170956, 102713695, 117387080, 164341912, 205427390, 234774160, 328683824, 410854780, 821709560, 1643419120]

約数ペア:

[(1, 1643419120), (2, 821709560), (4, 410854780), (5, 328683824), (7, 234774160), (8, 205427390), (10, 164341912), (14, 117387080), (16, 102713695), (20, 82170956), (28, 58693540), (31, 53013520), (35, 46954832), (40, 41085478), (56, 29346770), (62, 26506760), (70, 23477416), (80, 20542739), (112, 14673385), (124, 13253380), (137, 11995760), (140, 11738708), (155, 10602704), (217, 7573360), (248, 6626690), (274, 5997880), (280, 5869354), (310, 5301352), (434, 3786680), (496, 3313345), (548, 2998940), (560, 2934677), (620, 2650676), (685, 2399152), (691, 2378320), (868, 1893340), (959, 1713680), (1085, 1514672), (1096, 1499470), (1240, 1325338), (1370, 1199576), (1382, 1189160), (1736, 946670), (1918, 856840), (2170, 757336), (2192, 749735), (2480, 662669), (2740, 599788), (2764, 594580), (3455, 475664), (3472, 473335), (3836, 428420), (4247, 386960), (4340, 378668), (4795, 342736), (4837, 339760), (5480, 299894), (5528, 297290), (6910, 237832), (7672, 214210), (8494, 193480), (8680, 189334), (9590, 171368), (9674, 169880), (10960, 149947), (11056, 148645), (13820, 118916), (15344, 107105), (16988, 96740), (17360, 94667), (19180, 85684), (19348, 84940), (21235, 77392), (21421, 76720), (24185, 67952), (27640, 59458), (29729, 55280), (33976, 48370), (38360, 42842), (38696, 42470)]