157216815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 337582080

約数和(自身を除く): 180365265

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 53, 63, 73, 105, 129, 135, 159, 189, 215, 219, 265, 301, 315, 365, 371, 387, 477, 511, 645, 657, 795, 903, 945, 1095, 1113, 1161, 1431, 1505, 1533, 1855, 1935, 1971, 2279, 2385, 2555, 2709, 3139, 3285, 3339, 3869, 4515, 4599, 5565, 5805, 6837, 7155, 7665, 8127, 9417, 9855, 10017, 11395, 11607, 13545, 13797, 15695, 15953, 16695, 19345, 20511, 21973, 22995, 27083, 28251, 34185, 34821, 40635, 47085, 47859, 50085, 58035, 61533, 65919, 68985, 79765, 81249, 84753, 102555, 104463, 109865, 135415, 141255, 143577, 166367, 174105, 197757, 239295, 243747, 307665, 329595, 406245, 423765, 430731, 499101, 522315, 593271, 717885, 731241, 831835, 988785, 1164569, 1218735, 1497303, 2153655, 2495505, 2966355, 3493707, 3656205, 4491909, 5822845, 7486515, 10481121, 17468535, 22459545, 31443363, 52405605, 157216815]

約数ペア:

[(1, 157216815), (3, 52405605), (5, 31443363), (7, 22459545), (9, 17468535), (15, 10481121), (21, 7486515), (27, 5822845), (35, 4491909), (43, 3656205), (45, 3493707), (53, 2966355), (63, 2495505), (73, 2153655), (105, 1497303), (129, 1218735), (135, 1164569), (159, 988785), (189, 831835), (215, 731241), (219, 717885), (265, 593271), (301, 522315), (315, 499101), (365, 430731), (371, 423765), (387, 406245), (477, 329595), (511, 307665), (645, 243747), (657, 239295), (795, 197757), (903, 174105), (945, 166367), (1095, 143577), (1113, 141255), (1161, 135415), (1431, 109865), (1505, 104463), (1533, 102555), (1855, 84753), (1935, 81249), (1971, 79765), (2279, 68985), (2385, 65919), (2555, 61533), (2709, 58035), (3139, 50085), (3285, 47859), (3339, 47085), (3869, 40635), (4515, 34821), (4599, 34185), (5565, 28251), (5805, 27083), (6837, 22995), (7155, 21973), (7665, 20511), (8127, 19345), (9417, 16695), (9855, 15953), (10017, 15695), (11395, 13797), (11607, 13545)]