61495040

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 149007600

約数和(自身を除く): 87512560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 449, 535, 640, 856, 898, 1070, 1280, 1712, 1796, 2140, 2245, 3424, 3592, 4280, 4490, 6848, 7184, 8560, 8980, 13696, 14368, 17120, 17960, 27392, 28736, 34240, 35920, 48043, 57472, 68480, 71840, 96086, 114944, 136960, 143680, 192172, 240215, 287360, 384344, 480430, 574720, 768688, 960860, 1537376, 1921720, 3074752, 3843440, 6149504, 7686880, 12299008, 15373760, 30747520, 61495040]

約数ペア:

[(1, 61495040), (2, 30747520), (4, 15373760), (5, 12299008), (8, 7686880), (10, 6149504), (16, 3843440), (20, 3074752), (32, 1921720), (40, 1537376), (64, 960860), (80, 768688), (107, 574720), (128, 480430), (160, 384344), (214, 287360), (256, 240215), (320, 192172), (428, 143680), (449, 136960), (535, 114944), (640, 96086), (856, 71840), (898, 68480), (1070, 57472), (1280, 48043), (1712, 35920), (1796, 34240), (2140, 28736), (2245, 27392), (3424, 17960), (3592, 17120), (4280, 14368), (4490, 13696), (6848, 8980), (7184, 8560)]