155354840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 377978400

約数和(自身を除く): 222623560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 151, 170, 178, 289, 302, 340, 356, 445, 578, 604, 680, 712, 755, 890, 1156, 1208, 1445, 1510, 1513, 1780, 2312, 2567, 2890, 3020, 3026, 3560, 5134, 5780, 6040, 6052, 7565, 10268, 11560, 12104, 12835, 13439, 15130, 20536, 25670, 25721, 26878, 30260, 43639, 51340, 51442, 53756, 60520, 67195, 87278, 102680, 102884, 107512, 128605, 134390, 174556, 205768, 218195, 228463, 257210, 268780, 349112, 436390, 456926, 514420, 537560, 872780, 913852, 1028840, 1142315, 1745560, 1827704, 2284630, 3883871, 4569260, 7767742, 9138520, 15535484, 19419355, 31070968, 38838710, 77677420, 155354840]

約数ペア:

[(1, 155354840), (2, 77677420), (4, 38838710), (5, 31070968), (8, 19419355), (10, 15535484), (17, 9138520), (20, 7767742), (34, 4569260), (40, 3883871), (68, 2284630), (85, 1827704), (89, 1745560), (136, 1142315), (151, 1028840), (170, 913852), (178, 872780), (289, 537560), (302, 514420), (340, 456926), (356, 436390), (445, 349112), (578, 268780), (604, 257210), (680, 228463), (712, 218195), (755, 205768), (890, 174556), (1156, 134390), (1208, 128605), (1445, 107512), (1510, 102884), (1513, 102680), (1780, 87278), (2312, 67195), (2567, 60520), (2890, 53756), (3020, 51442), (3026, 51340), (3560, 43639), (5134, 30260), (5780, 26878), (6040, 25721), (6052, 25670), (7565, 20536), (10268, 15130), (11560, 13439), (12104, 12835)]