25211280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1528

約数の個数: 80

約数和(自身を含む): 79280640

約数和(自身を除く): 54069360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1439, 1460, 1752, 2190, 2878, 2920, 3504, 4317, 4380, 5756, 5840, 7195, 8634, 8760, 11512, 14390, 17268, 17520, 21585, 23024, 28780, 34536, 43170, 57560, 69072, 86340, 105047, 115120, 172680, 210094, 315141, 345360, 420188, 525235, 630282, 840376, 1050470, 1260564, 1575705, 1680752, 2100940, 2521128, 3151410, 4201880, 5042256, 6302820, 8403760, 12605640, 25211280]

約数ペア:

[(1, 25211280), (2, 12605640), (3, 8403760), (4, 6302820), (5, 5042256), (6, 4201880), (8, 3151410), (10, 2521128), (12, 2100940), (15, 1680752), (16, 1575705), (20, 1260564), (24, 1050470), (30, 840376), (40, 630282), (48, 525235), (60, 420188), (73, 345360), (80, 315141), (120, 210094), (146, 172680), (219, 115120), (240, 105047), (292, 86340), (365, 69072), (438, 57560), (584, 43170), (730, 34536), (876, 28780), (1095, 23024), (1168, 21585), (1439, 17520), (1460, 17268), (1752, 14390), (2190, 11512), (2878, 8760), (2920, 8634), (3504, 7195), (4317, 5840), (4380, 5756)]