31142640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 120

約数和(自身を含む): 102783600

約数和(自身を除く): 71640960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 449, 510, 578, 680, 816, 867, 898, 1020, 1156, 1347, 1360, 1445, 1734, 1796, 2040, 2245, 2312, 2694, 2890, 3468, 3592, 4080, 4335, 4490, 4624, 5388, 5780, 6735, 6936, 7184, 7633, 8670, 8980, 10776, 11560, 13470, 13872, 15266, 17340, 17960, 21552, 22899, 23120, 26940, 30532, 34680, 35920, 38165, 45798, 53880, 61064, 69360, 76330, 91596, 107760, 114495, 122128, 129761, 152660, 183192, 228990, 259522, 305320, 366384, 389283, 457980, 519044, 610640, 648805, 778566, 915960, 1038088, 1297610, 1557132, 1831920, 1946415, 2076176, 2595220, 3114264, 3892830, 5190440, 6228528, 7785660, 10380880, 15571320, 31142640]

約数ペア:

[(1, 31142640), (2, 15571320), (3, 10380880), (4, 7785660), (5, 6228528), (6, 5190440), (8, 3892830), (10, 3114264), (12, 2595220), (15, 2076176), (16, 1946415), (17, 1831920), (20, 1557132), (24, 1297610), (30, 1038088), (34, 915960), (40, 778566), (48, 648805), (51, 610640), (60, 519044), (68, 457980), (80, 389283), (85, 366384), (102, 305320), (120, 259522), (136, 228990), (170, 183192), (204, 152660), (240, 129761), (255, 122128), (272, 114495), (289, 107760), (340, 91596), (408, 76330), (449, 69360), (510, 61064), (578, 53880), (680, 45798), (816, 38165), (867, 35920), (898, 34680), (1020, 30532), (1156, 26940), (1347, 23120), (1360, 22899), (1445, 21552), (1734, 17960), (1796, 17340), (2040, 15266), (2245, 13872), (2312, 13470), (2694, 11560), (2890, 10776), (3468, 8980), (3592, 8670), (4080, 7633), (4335, 7184), (4490, 6936), (4624, 6735), (5388, 5780)]