30747520

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 64

約数和(自身を含む): 74358000

約数和(自身を除く): 43610480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 449, 535, 640, 856, 898, 1070, 1712, 1796, 2140, 2245, 3424, 3592, 4280, 4490, 6848, 7184, 8560, 8980, 13696, 14368, 17120, 17960, 28736, 34240, 35920, 48043, 57472, 68480, 71840, 96086, 143680, 192172, 240215, 287360, 384344, 480430, 768688, 960860, 1537376, 1921720, 3074752, 3843440, 6149504, 7686880, 15373760, 30747520]

約数ペア:

[(1, 30747520), (2, 15373760), (4, 7686880), (5, 6149504), (8, 3843440), (10, 3074752), (16, 1921720), (20, 1537376), (32, 960860), (40, 768688), (64, 480430), (80, 384344), (107, 287360), (128, 240215), (160, 192172), (214, 143680), (320, 96086), (428, 71840), (449, 68480), (535, 57472), (640, 48043), (856, 35920), (898, 34240), (1070, 28736), (1712, 17960), (1796, 17120), (2140, 14368), (2245, 13696), (3424, 8980), (3592, 8560), (4280, 7184), (4490, 6848)]