1268800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:96

約数の個数: 84

約数和(自身を含む): 3417316

約数和(自身を除く): 2148516

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 61, 64, 65, 80, 100, 104, 122, 130, 160, 200, 208, 244, 260, 305, 320, 325, 400, 416, 488, 520, 610, 650, 793, 800, 832, 976, 1040, 1220, 1300, 1525, 1586, 1600, 1952, 2080, 2440, 2600, 3050, 3172, 3904, 3965, 4160, 4880, 5200, 6100, 6344, 7930, 9760, 10400, 12200, 12688, 15860, 19520, 19825, 20800, 24400, 25376, 31720, 39650, 48800, 50752, 63440, 79300, 97600, 126880, 158600, 253760, 317200, 634400, 1268800]

約数ペア:

[(1, 1268800), (2, 634400), (4, 317200), (5, 253760), (8, 158600), (10, 126880), (13, 97600), (16, 79300), (20, 63440), (25, 50752), (26, 48800), (32, 39650), (40, 31720), (50, 25376), (52, 24400), (61, 20800), (64, 19825), (65, 19520), (80, 15860), (100, 12688), (104, 12200), (122, 10400), (130, 9760), (160, 7930), (200, 6344), (208, 6100), (244, 5200), (260, 4880), (305, 4160), (320, 3965), (325, 3904), (400, 3172), (416, 3050), (488, 2600), (520, 2440), (610, 2080), (650, 1952), (793, 1600), (800, 1586), (832, 1525), (976, 1300), (1040, 1220)]