1417800420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{110939}}^1$

素因数の和:111025

約数の個数: 72

約数和(自身を含む): 4361273280

約数和(自身を除く): 2943472860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 110939, 221878, 332817, 443756, 554695, 665634, 998451, 1109390, 1331268, 1664085, 1996902, 2218780, 3328170, 3993804, 4992255, 6656340, 7876669, 9984510, 15753338, 19969020, 23630007, 31506676, 39383345, 47260014, 70890021, 78766690, 94520028, 118150035, 141780042, 157533380, 236300070, 283560084, 354450105, 472600140, 708900210, 1417800420]

約数ペア:

[(1, 1417800420), (2, 708900210), (3, 472600140), (4, 354450105), (5, 283560084), (6, 236300070), (9, 157533380), (10, 141780042), (12, 118150035), (15, 94520028), (18, 78766690), (20, 70890021), (30, 47260014), (36, 39383345), (45, 31506676), (60, 23630007), (71, 19969020), (90, 15753338), (142, 9984510), (180, 7876669), (213, 6656340), (284, 4992255), (355, 3993804), (426, 3328170), (639, 2218780), (710, 1996902), (852, 1664085), (1065, 1331268), (1278, 1109390), (1420, 998451), (2130, 665634), (2556, 554695), (3195, 443756), (4260, 332817), (6390, 221878), (12780, 110939)]