644182140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{673}}^1$

素因数の和:788

約数の個数: 192

約数和(自身を含む): 2152313856

約数和(自身を除く): 1508131716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 53, 60, 70, 84, 86, 105, 106, 129, 140, 159, 172, 210, 212, 215, 258, 265, 301, 318, 371, 420, 430, 516, 530, 602, 636, 645, 673, 742, 795, 860, 903, 1060, 1113, 1204, 1290, 1346, 1484, 1505, 1590, 1806, 1855, 2019, 2226, 2279, 2580, 2692, 3010, 3180, 3365, 3612, 3710, 4038, 4452, 4515, 4558, 4711, 5565, 6020, 6730, 6837, 7420, 8076, 9030, 9116, 9422, 10095, 11130, 11395, 13460, 13674, 14133, 15953, 18060, 18844, 20190, 22260, 22790, 23555, 27348, 28266, 28939, 31906, 34185, 35669, 40380, 45580, 47110, 47859, 56532, 57878, 63812, 68370, 70665, 71338, 79765, 86817, 94220, 95718, 107007, 115756, 136740, 141330, 142676, 144695, 159530, 173634, 178345, 191436, 202573, 214014, 239295, 249683, 282660, 289390, 319060, 347268, 356690, 405146, 428028, 434085, 478590, 499366, 535035, 578780, 607719, 713380, 749049, 810292, 868170, 957180, 998732, 1012865, 1070070, 1215438, 1248415, 1498098, 1533767, 1736340, 2025730, 2140140, 2430876, 2496830, 2996196, 3038595, 3067534, 3745245, 4051460, 4601301, 4993660, 6077190, 6135068, 7490490, 7668835, 9202602, 10736369, 12154380, 14980980, 15337670, 18405204, 21472738, 23006505, 30675340, 32209107, 42945476, 46013010, 53681845, 64418214, 92026020, 107363690, 128836428, 161045535, 214727380, 322091070, 644182140]

約数ペア:

[(1, 644182140), (2, 322091070), (3, 214727380), (4, 161045535), (5, 128836428), (6, 107363690), (7, 92026020), (10, 64418214), (12, 53681845), (14, 46013010), (15, 42945476), (20, 32209107), (21, 30675340), (28, 23006505), (30, 21472738), (35, 18405204), (42, 15337670), (43, 14980980), (53, 12154380), (60, 10736369), (70, 9202602), (84, 7668835), (86, 7490490), (105, 6135068), (106, 6077190), (129, 4993660), (140, 4601301), (159, 4051460), (172, 3745245), (210, 3067534), (212, 3038595), (215, 2996196), (258, 2496830), (265, 2430876), (301, 2140140), (318, 2025730), (371, 1736340), (420, 1533767), (430, 1498098), (516, 1248415), (530, 1215438), (602, 1070070), (636, 1012865), (645, 998732), (673, 957180), (742, 868170), (795, 810292), (860, 749049), (903, 713380), (1060, 607719), (1113, 578780), (1204, 535035), (1290, 499366), (1346, 478590), (1484, 434085), (1505, 428028), (1590, 405146), (1806, 356690), (1855, 347268), (2019, 319060), (2226, 289390), (2279, 282660), (2580, 249683), (2692, 239295), (3010, 214014), (3180, 202573), (3365, 191436), (3612, 178345), (3710, 173634), (4038, 159530), (4452, 144695), (4515, 142676), (4558, 141330), (4711, 136740), (5565, 115756), (6020, 107007), (6730, 95718), (6837, 94220), (7420, 86817), (8076, 79765), (9030, 71338), (9116, 70665), (9422, 68370), (10095, 63812), (11130, 57878), (11395, 56532), (13460, 47859), (13674, 47110), (14133, 45580), (15953, 40380), (18060, 35669), (18844, 34185), (20190, 31906), (22260, 28939), (22790, 28266), (23555, 27348)]