634490820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{391661}}^1$

素因数の和:391682

約数の個数: 60

約数和(自身を含む): 1990426284

約数和(自身を除く): 1355935464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 391661, 783322, 1174983, 1566644, 1958305, 2349966, 3524949, 3916610, 4699932, 5874915, 7049898, 7833220, 10574847, 11749830, 14099796, 17624745, 21149694, 23499660, 31724541, 35249490, 42299388, 52874235, 63449082, 70498980, 105748470, 126898164, 158622705, 211496940, 317245410, 634490820]

約数ペア:

[(1, 634490820), (2, 317245410), (3, 211496940), (4, 158622705), (5, 126898164), (6, 105748470), (9, 70498980), (10, 63449082), (12, 52874235), (15, 42299388), (18, 35249490), (20, 31724541), (27, 23499660), (30, 21149694), (36, 17624745), (45, 14099796), (54, 11749830), (60, 10574847), (81, 7833220), (90, 7049898), (108, 5874915), (135, 4699932), (162, 3916610), (180, 3524949), (270, 2349966), (324, 1958305), (405, 1566644), (540, 1174983), (810, 783322), (1620, 391661)]