215733420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1460

約数の個数: 144

約数和(自身を含む): 754161408

約数和(自身を除く): 538427988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 1179, 1260, 1307, 1310, 1572, 1834, 1965, 2358, 2614, 2620, 2751, 3668, 3921, 3930, 4585, 4716, 5228, 5502, 5895, 6535, 7842, 7860, 8253, 9149, 9170, 11004, 11763, 11790, 13070, 13755, 15684, 16506, 18298, 18340, 19605, 23526, 23580, 26140, 27447, 27510, 33012, 36596, 39210, 41265, 45745, 47052, 54894, 55020, 58815, 78420, 82341, 82530, 91490, 109788, 117630, 137235, 164682, 165060, 171217, 182980, 235260, 274470, 329364, 342434, 411705, 513651, 548940, 684868, 823410, 856085, 1027302, 1198519, 1540953, 1646820, 1712170, 2054604, 2397038, 2568255, 3081906, 3424340, 3595557, 4794076, 5136510, 5992595, 6163812, 7191114, 7704765, 10273020, 10786671, 11985190, 14382228, 15409530, 17977785, 21573342, 23970380, 30819060, 35955570, 43146684, 53933355, 71911140, 107866710, 215733420]

約数ペア:

[(1, 215733420), (2, 107866710), (3, 71911140), (4, 53933355), (5, 43146684), (6, 35955570), (7, 30819060), (9, 23970380), (10, 21573342), (12, 17977785), (14, 15409530), (15, 14382228), (18, 11985190), (20, 10786671), (21, 10273020), (28, 7704765), (30, 7191114), (35, 6163812), (36, 5992595), (42, 5136510), (45, 4794076), (60, 3595557), (63, 3424340), (70, 3081906), (84, 2568255), (90, 2397038), (105, 2054604), (126, 1712170), (131, 1646820), (140, 1540953), (180, 1198519), (210, 1027302), (252, 856085), (262, 823410), (315, 684868), (393, 548940), (420, 513651), (524, 411705), (630, 342434), (655, 329364), (786, 274470), (917, 235260), (1179, 182980), (1260, 171217), (1307, 165060), (1310, 164682), (1572, 137235), (1834, 117630), (1965, 109788), (2358, 91490), (2614, 82530), (2620, 82341), (2751, 78420), (3668, 58815), (3921, 55020), (3930, 54894), (4585, 47052), (4716, 45745), (5228, 41265), (5502, 39210), (5895, 36596), (6535, 33012), (7842, 27510), (7860, 27447), (8253, 26140), (9149, 23580), (9170, 23526), (11004, 19605), (11763, 18340), (11790, 18298), (13070, 16506), (13755, 15684)]