13561520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 36717888

約数和(自身を除く): 23156368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 397, 427, 488, 560, 610, 794, 854, 976, 1220, 1588, 1708, 1985, 2135, 2440, 2779, 3176, 3416, 3970, 4270, 4880, 5558, 6352, 6832, 7940, 8540, 11116, 13895, 15880, 17080, 22232, 24217, 27790, 31760, 34160, 44464, 48434, 55580, 96868, 111160, 121085, 169519, 193736, 222320, 242170, 339038, 387472, 484340, 678076, 847595, 968680, 1356152, 1695190, 1937360, 2712304, 3390380, 6780760, 13561520]

約数ペア:

[(1, 13561520), (2, 6780760), (4, 3390380), (5, 2712304), (7, 1937360), (8, 1695190), (10, 1356152), (14, 968680), (16, 847595), (20, 678076), (28, 484340), (35, 387472), (40, 339038), (56, 242170), (61, 222320), (70, 193736), (80, 169519), (112, 121085), (122, 111160), (140, 96868), (244, 55580), (280, 48434), (305, 44464), (397, 34160), (427, 31760), (488, 27790), (560, 24217), (610, 22232), (794, 17080), (854, 15880), (976, 13895), (1220, 11116), (1588, 8540), (1708, 7940), (1985, 6832), (2135, 6352), (2440, 5558), (2779, 4880), (3176, 4270), (3416, 3970)]