1931280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 6457920

約数和(自身を除く): 4526640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 619, 624, 780, 1040, 1238, 1560, 1857, 2476, 3095, 3120, 3714, 4952, 6190, 7428, 8047, 9285, 9904, 12380, 14856, 16094, 18570, 24141, 24760, 29712, 32188, 37140, 40235, 48282, 49520, 64376, 74280, 80470, 96564, 120705, 128752, 148560, 160940, 193128, 241410, 321880, 386256, 482820, 643760, 965640, 1931280]

約数ペア:

[(1, 1931280), (2, 965640), (3, 643760), (4, 482820), (5, 386256), (6, 321880), (8, 241410), (10, 193128), (12, 160940), (13, 148560), (15, 128752), (16, 120705), (20, 96564), (24, 80470), (26, 74280), (30, 64376), (39, 49520), (40, 48282), (48, 40235), (52, 37140), (60, 32188), (65, 29712), (78, 24760), (80, 24141), (104, 18570), (120, 16094), (130, 14856), (156, 12380), (195, 9904), (208, 9285), (240, 8047), (260, 7428), (312, 6190), (390, 4952), (520, 3714), (619, 3120), (624, 3095), (780, 2476), (1040, 1857), (1238, 1560)]