321638640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2607

約数の個数: 160

約数和(自身を含む): 1090215936

約数和(自身を除く): 768577296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2480, 2543, 2635, 3162, 3720, 4080, 4216, 5086, 5270, 6324, 7440, 7629, 7905, 8432, 10172, 10540, 12648, 12715, 15258, 15810, 20344, 21080, 25296, 25430, 30516, 31620, 38145, 40688, 42160, 43231, 50860, 61032, 63240, 76290, 78833, 86462, 101720, 122064, 126480, 129693, 152580, 157666, 172924, 203440, 216155, 236499, 259386, 305160, 315332, 345848, 394165, 432310, 472998, 518772, 610320, 630664, 648465, 691696, 788330, 864620, 945996, 1037544, 1182495, 1261328, 1296930, 1340161, 1576660, 1729240, 1891992, 2075088, 2364990, 2593860, 2680322, 3153320, 3458480, 3783984, 4020483, 4729980, 5187720, 5360644, 6306640, 6700805, 8040966, 9459960, 10375440, 10721288, 13401610, 16081932, 18919920, 20102415, 21442576, 26803220, 32163864, 40204830, 53606440, 64327728, 80409660, 107212880, 160819320, 321638640]

約数ペア:

[(1, 321638640), (2, 160819320), (3, 107212880), (4, 80409660), (5, 64327728), (6, 53606440), (8, 40204830), (10, 32163864), (12, 26803220), (15, 21442576), (16, 20102415), (17, 18919920), (20, 16081932), (24, 13401610), (30, 10721288), (31, 10375440), (34, 9459960), (40, 8040966), (48, 6700805), (51, 6306640), (60, 5360644), (62, 5187720), (68, 4729980), (80, 4020483), (85, 3783984), (93, 3458480), (102, 3153320), (120, 2680322), (124, 2593860), (136, 2364990), (155, 2075088), (170, 1891992), (186, 1729240), (204, 1576660), (240, 1340161), (248, 1296930), (255, 1261328), (272, 1182495), (310, 1037544), (340, 945996), (372, 864620), (408, 788330), (465, 691696), (496, 648465), (510, 630664), (527, 610320), (620, 518772), (680, 472998), (744, 432310), (816, 394165), (930, 345848), (1020, 315332), (1054, 305160), (1240, 259386), (1360, 236499), (1488, 216155), (1581, 203440), (1860, 172924), (2040, 157666), (2108, 152580), (2480, 129693), (2543, 126480), (2635, 122064), (3162, 101720), (3720, 86462), (4080, 78833), (4216, 76290), (5086, 63240), (5270, 61032), (6324, 50860), (7440, 43231), (7629, 42160), (7905, 40688), (8432, 38145), (10172, 31620), (10540, 30516), (12648, 25430), (12715, 25296), (15258, 21080), (15810, 20344)]