19907040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 63745920

約数和(自身を除く): 43838880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 67, 80, 96, 120, 134, 160, 201, 240, 268, 335, 402, 480, 536, 619, 670, 804, 1005, 1072, 1238, 1340, 1608, 1857, 2010, 2144, 2476, 2680, 3095, 3216, 3714, 4020, 4952, 5360, 6190, 6432, 7428, 8040, 9285, 9904, 10720, 12380, 14856, 16080, 18570, 19808, 24760, 29712, 32160, 37140, 41473, 49520, 59424, 74280, 82946, 99040, 124419, 148560, 165892, 207365, 248838, 297120, 331784, 414730, 497676, 622095, 663568, 829460, 995352, 1244190, 1327136, 1658920, 1990704, 2488380, 3317840, 3981408, 4976760, 6635680, 9953520, 19907040]

約数ペア:

[(1, 19907040), (2, 9953520), (3, 6635680), (4, 4976760), (5, 3981408), (6, 3317840), (8, 2488380), (10, 1990704), (12, 1658920), (15, 1327136), (16, 1244190), (20, 995352), (24, 829460), (30, 663568), (32, 622095), (40, 497676), (48, 414730), (60, 331784), (67, 297120), (80, 248838), (96, 207365), (120, 165892), (134, 148560), (160, 124419), (201, 99040), (240, 82946), (268, 74280), (335, 59424), (402, 49520), (480, 41473), (536, 37140), (619, 32160), (670, 29712), (804, 24760), (1005, 19808), (1072, 18570), (1238, 16080), (1340, 14856), (1608, 12380), (1857, 10720), (2010, 9904), (2144, 9285), (2476, 8040), (2680, 7428), (3095, 6432), (3216, 6190), (3714, 5360), (4020, 4952)]