156979360540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{112181}}^1$

素因数の和:112319

約数の個数: 96

約数和(自身を含む): 355220264448

約数和(自身を除く): 198240903908

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 61, 62, 74, 122, 124, 148, 155, 185, 244, 305, 310, 370, 610, 620, 740, 1147, 1220, 1891, 2257, 2294, 3782, 4514, 4588, 5735, 7564, 9028, 9455, 11285, 11470, 18910, 22570, 22940, 37820, 45140, 69967, 112181, 139934, 224362, 279868, 349835, 448724, 560905, 699670, 1121810, 1399340, 2243620, 3477611, 4150697, 6843041, 6955222, 8301394, 13686082, 13910444, 16602788, 17388055, 20753485, 27372164, 34215205, 34776110, 41506970, 68430410, 69552220, 83013940, 128671607, 136860820, 212134271, 253192517, 257343214, 424268542, 506385034, 514686428, 643358035, 848537084, 1012770068, 1060671355, 1265962585, 1286716070, 2121342710, 2531925170, 2573432140, 4242685420, 5063850340, 7848968027, 15697936054, 31395872108, 39244840135, 78489680270, 156979360540]

約数ペア:

[(1, 156979360540), (2, 78489680270), (4, 39244840135), (5, 31395872108), (10, 15697936054), (20, 7848968027), (31, 5063850340), (37, 4242685420), (61, 2573432140), (62, 2531925170), (74, 2121342710), (122, 1286716070), (124, 1265962585), (148, 1060671355), (155, 1012770068), (185, 848537084), (244, 643358035), (305, 514686428), (310, 506385034), (370, 424268542), (610, 257343214), (620, 253192517), (740, 212134271), (1147, 136860820), (1220, 128671607), (1891, 83013940), (2257, 69552220), (2294, 68430410), (3782, 41506970), (4514, 34776110), (4588, 34215205), (5735, 27372164), (7564, 20753485), (9028, 17388055), (9455, 16602788), (11285, 13910444), (11470, 13686082), (18910, 8301394), (22570, 6955222), (22940, 6843041), (37820, 4150697), (45140, 3477611), (69967, 2243620), (112181, 1399340), (139934, 1121810), (224362, 699670), (279868, 560905), (349835, 448724)]