19958380740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{751}}^1\times {\mathrm{773}}^1$

素因数の和:1730

約数の個数: 144

約数和(自身を含む): 61017255936

約数和(自身を除く): 41058875196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 751, 764, 773, 955, 1146, 1502, 1546, 1719, 1910, 2253, 2292, 2319, 2865, 3004, 3092, 3438, 3755, 3820, 3865, 4506, 4638, 5730, 6759, 6876, 6957, 7510, 7730, 8595, 9012, 9276, 11265, 11460, 11595, 13518, 13914, 15020, 15460, 17190, 22530, 23190, 27036, 27828, 33795, 34380, 34785, 45060, 46380, 67590, 69570, 135180, 139140, 143441, 147643, 286882, 295286, 430323, 442929, 573764, 580523, 590572, 717205, 738215, 860646, 885858, 1161046, 1290969, 1328787, 1434410, 1476430, 1721292, 1741569, 1771716, 2151615, 2214645, 2322092, 2581938, 2657574, 2868820, 2902615, 2952860, 3483138, 4303230, 4429290, 5163876, 5224707, 5315148, 5805230, 6454845, 6643935, 6966276, 8606460, 8707845, 8858580, 10449414, 11610460, 12909690, 13287870, 17415690, 20898828, 25819380, 26123535, 26575740, 34831380, 52247070, 104494140, 110879893, 221759786, 332639679, 443519572, 554399465, 665279358, 997919037, 1108798930, 1330558716, 1663198395, 1995838074, 2217597860, 3326396790, 3991676148, 4989595185, 6652793580, 9979190370, 19958380740]

約数ペア:

[(1, 19958380740), (2, 9979190370), (3, 6652793580), (4, 4989595185), (5, 3991676148), (6, 3326396790), (9, 2217597860), (10, 1995838074), (12, 1663198395), (15, 1330558716), (18, 1108798930), (20, 997919037), (30, 665279358), (36, 554399465), (45, 443519572), (60, 332639679), (90, 221759786), (180, 110879893), (191, 104494140), (382, 52247070), (573, 34831380), (751, 26575740), (764, 26123535), (773, 25819380), (955, 20898828), (1146, 17415690), (1502, 13287870), (1546, 12909690), (1719, 11610460), (1910, 10449414), (2253, 8858580), (2292, 8707845), (2319, 8606460), (2865, 6966276), (3004, 6643935), (3092, 6454845), (3438, 5805230), (3755, 5315148), (3820, 5224707), (3865, 5163876), (4506, 4429290), (4638, 4303230), (5730, 3483138), (6759, 2952860), (6876, 2902615), (6957, 2868820), (7510, 2657574), (7730, 2581938), (8595, 2322092), (9012, 2214645), (9276, 2151615), (11265, 1771716), (11460, 1741569), (11595, 1721292), (13518, 1476430), (13914, 1434410), (15020, 1328787), (15460, 1290969), (17190, 1161046), (22530, 885858), (23190, 860646), (27036, 738215), (27828, 717205), (33795, 590572), (34380, 580523), (34785, 573764), (45060, 442929), (46380, 430323), (67590, 295286), (69570, 286882), (135180, 147643), (139140, 143441)]