28719603720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{195053}}^1$

素因数の和:195479

約数の個数: 96

約数和(自身を含む): 93567403800

約数和(自身を除く): 64847800080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 409, 818, 1227, 1636, 2045, 2454, 3272, 3681, 4090, 4908, 6135, 7362, 8180, 9816, 12270, 14724, 16360, 18405, 24540, 29448, 36810, 49080, 73620, 147240, 195053, 390106, 585159, 780212, 975265, 1170318, 1560424, 1755477, 1950530, 2340636, 2925795, 3510954, 3901060, 4681272, 5851590, 7021908, 7802120, 8777385, 11703180, 14043816, 17554770, 23406360, 35109540, 70219080, 79776677, 159553354, 239330031, 319106708, 398883385, 478660062, 638213416, 717990093, 797766770, 957320124, 1196650155, 1435980186, 1595533540, 1914640248, 2393300310, 2871960372, 3191067080, 3589950465, 4786600620, 5743920744, 7179900930, 9573201240, 14359801860, 28719603720]

約数ペア:

[(1, 28719603720), (2, 14359801860), (3, 9573201240), (4, 7179900930), (5, 5743920744), (6, 4786600620), (8, 3589950465), (9, 3191067080), (10, 2871960372), (12, 2393300310), (15, 1914640248), (18, 1595533540), (20, 1435980186), (24, 1196650155), (30, 957320124), (36, 797766770), (40, 717990093), (45, 638213416), (60, 478660062), (72, 398883385), (90, 319106708), (120, 239330031), (180, 159553354), (360, 79776677), (409, 70219080), (818, 35109540), (1227, 23406360), (1636, 17554770), (2045, 14043816), (2454, 11703180), (3272, 8777385), (3681, 7802120), (4090, 7021908), (4908, 5851590), (6135, 4681272), (7362, 3901060), (8180, 3510954), (9816, 2925795), (12270, 2340636), (14724, 1950530), (16360, 1755477), (18405, 1560424), (24540, 1170318), (29448, 975265), (36810, 780212), (49080, 585159), (73620, 390106), (147240, 195053)]