12231440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 32289600

約数和(自身を除く): 20058160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 619, 760, 988, 1040, 1235, 1238, 1520, 1976, 2470, 2476, 3095, 3952, 4940, 4952, 6190, 8047, 9880, 9904, 11761, 12380, 16094, 19760, 23522, 24760, 32188, 40235, 47044, 49520, 58805, 64376, 80470, 94088, 117610, 128752, 152893, 160940, 188176, 235220, 305786, 321880, 470440, 611572, 643760, 764465, 940880, 1223144, 1528930, 2446288, 3057860, 6115720, 12231440]

約数ペア:

[(1, 12231440), (2, 6115720), (4, 3057860), (5, 2446288), (8, 1528930), (10, 1223144), (13, 940880), (16, 764465), (19, 643760), (20, 611572), (26, 470440), (38, 321880), (40, 305786), (52, 235220), (65, 188176), (76, 160940), (80, 152893), (95, 128752), (104, 117610), (130, 94088), (152, 80470), (190, 64376), (208, 58805), (247, 49520), (260, 47044), (304, 40235), (380, 32188), (494, 24760), (520, 23522), (619, 19760), (760, 16094), (988, 12380), (1040, 11761), (1235, 9904), (1238, 9880), (1520, 8047), (1976, 6190), (2470, 4952), (2476, 4940), (3095, 3952)]