2078935380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{162671}}^1$

素因数の和:162757

約数の個数: 72

約数和(自身を含む): 6394961664

約数和(自身を除く): 4316026284

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, 162671, 325342, 488013, 650684, 813355, 976026, 1464039, 1626710, 1952052, 2440065, 2928078, 3253420, 4880130, 5856156, 7320195, 9760260, 11549641, 14640390, 23099282, 29280780, 34648923, 46198564, 57748205, 69297846, 103946769, 115496410, 138595692, 173244615, 207893538, 230992820, 346489230, 415787076, 519733845, 692978460, 1039467690, 2078935380]

約数ペア:

[(1, 2078935380), (2, 1039467690), (3, 692978460), (4, 519733845), (5, 415787076), (6, 346489230), (9, 230992820), (10, 207893538), (12, 173244615), (15, 138595692), (18, 115496410), (20, 103946769), (30, 69297846), (36, 57748205), (45, 46198564), (60, 34648923), (71, 29280780), (90, 23099282), (142, 14640390), (180, 11549641), (213, 9760260), (284, 7320195), (355, 5856156), (426, 4880130), (639, 3253420), (710, 2928078), (852, 2440065), (1065, 1952052), (1278, 1626710), (1420, 1464039), (2130, 976026), (2556, 813355), (3195, 650684), (4260, 488013), (6390, 325342), (12780, 162671)]