198391920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:487

約数の個数: 160

約数和(自身を含む): 654124800

約数和(自身を除く): 455732880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 139, 152, 190, 228, 240, 278, 285, 304, 313, 380, 417, 456, 556, 570, 626, 695, 760, 834, 912, 939, 1112, 1140, 1252, 1390, 1520, 1565, 1668, 1878, 2085, 2224, 2280, 2504, 2641, 2780, 3130, 3336, 3756, 4170, 4560, 4695, 5008, 5282, 5560, 5947, 6260, 6672, 7512, 7923, 8340, 9390, 10564, 11120, 11894, 12520, 13205, 15024, 15846, 16680, 17841, 18780, 21128, 23788, 25040, 26410, 29735, 31692, 33360, 35682, 37560, 39615, 42256, 43507, 47576, 52820, 59470, 63384, 71364, 75120, 79230, 87014, 89205, 95152, 105640, 118940, 126768, 130521, 142728, 158460, 174028, 178410, 211280, 217535, 237880, 261042, 285456, 316920, 348056, 356820, 435070, 475760, 522084, 633840, 652605, 696112, 713640, 826633, 870140, 1044168, 1305210, 1427280, 1653266, 1740280, 2088336, 2479899, 2610420, 3306532, 3480560, 4133165, 4959798, 5220840, 6613064, 8266330, 9919596, 10441680, 12399495, 13226128, 16532660, 19839192, 24798990, 33065320, 39678384, 49597980, 66130640, 99195960, 198391920]

約数ペア:

[(1, 198391920), (2, 99195960), (3, 66130640), (4, 49597980), (5, 39678384), (6, 33065320), (8, 24798990), (10, 19839192), (12, 16532660), (15, 13226128), (16, 12399495), (19, 10441680), (20, 9919596), (24, 8266330), (30, 6613064), (38, 5220840), (40, 4959798), (48, 4133165), (57, 3480560), (60, 3306532), (76, 2610420), (80, 2479899), (95, 2088336), (114, 1740280), (120, 1653266), (139, 1427280), (152, 1305210), (190, 1044168), (228, 870140), (240, 826633), (278, 713640), (285, 696112), (304, 652605), (313, 633840), (380, 522084), (417, 475760), (456, 435070), (556, 356820), (570, 348056), (626, 316920), (695, 285456), (760, 261042), (834, 237880), (912, 217535), (939, 211280), (1112, 178410), (1140, 174028), (1252, 158460), (1390, 142728), (1520, 130521), (1565, 126768), (1668, 118940), (1878, 105640), (2085, 95152), (2224, 89205), (2280, 87014), (2504, 79230), (2641, 75120), (2780, 71364), (3130, 63384), (3336, 59470), (3756, 52820), (4170, 47576), (4560, 43507), (4695, 42256), (5008, 39615), (5282, 37560), (5560, 35682), (5947, 33360), (6260, 31692), (6672, 29735), (7512, 26410), (7923, 25040), (8340, 23788), (9390, 21128), (10564, 18780), (11120, 17841), (11894, 16680), (12520, 15846), (13205, 15024)]