140560980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 463042944

約数和(自身を除く): 322481964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 181, 210, 215, 258, 301, 362, 420, 430, 516, 543, 602, 645, 724, 860, 903, 905, 1086, 1204, 1267, 1290, 1505, 1806, 1810, 1849, 2172, 2534, 2580, 2715, 3010, 3612, 3620, 3698, 3801, 4515, 5068, 5430, 5547, 6020, 6335, 7396, 7602, 7783, 9030, 9245, 10860, 11094, 12670, 12943, 15204, 15566, 18060, 18490, 19005, 22188, 23349, 25340, 25886, 27735, 31132, 36980, 38010, 38829, 38915, 46698, 51772, 54481, 55470, 64715, 76020, 77658, 77830, 93396, 108962, 110940, 116745, 129430, 155316, 155660, 163443, 194145, 217924, 233490, 258860, 272405, 326886, 334669, 388290, 466980, 544810, 653772, 669338, 776580, 817215, 1004007, 1089620, 1338676, 1634430, 1673345, 2008014, 2342683, 3268860, 3346690, 4016028, 4685366, 5020035, 6693380, 7028049, 9370732, 10040070, 11713415, 14056098, 20080140, 23426830, 28112196, 35140245, 46853660, 70280490, 140560980]

約数ペア:

[(1, 140560980), (2, 70280490), (3, 46853660), (4, 35140245), (5, 28112196), (6, 23426830), (7, 20080140), (10, 14056098), (12, 11713415), (14, 10040070), (15, 9370732), (20, 7028049), (21, 6693380), (28, 5020035), (30, 4685366), (35, 4016028), (42, 3346690), (43, 3268860), (60, 2342683), (70, 2008014), (84, 1673345), (86, 1634430), (105, 1338676), (129, 1089620), (140, 1004007), (172, 817215), (181, 776580), (210, 669338), (215, 653772), (258, 544810), (301, 466980), (362, 388290), (420, 334669), (430, 326886), (516, 272405), (543, 258860), (602, 233490), (645, 217924), (724, 194145), (860, 163443), (903, 155660), (905, 155316), (1086, 129430), (1204, 116745), (1267, 110940), (1290, 108962), (1505, 93396), (1806, 77830), (1810, 77658), (1849, 76020), (2172, 64715), (2534, 55470), (2580, 54481), (2715, 51772), (3010, 46698), (3612, 38915), (3620, 38829), (3698, 38010), (3801, 36980), (4515, 31132), (5068, 27735), (5430, 25886), (5547, 25340), (6020, 23349), (6335, 22188), (7396, 19005), (7602, 18490), (7783, 18060), (9030, 15566), (9245, 15204), (10860, 12943), (11094, 12670)]