25216920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 87207120

約数和(自身を除く): 61990200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 181, 215, 216, 258, 270, 324, 344, 360, 362, 387, 405, 430, 516, 540, 543, 645, 648, 724, 774, 810, 860, 905, 1032, 1080, 1086, 1161, 1290, 1448, 1548, 1620, 1629, 1720, 1810, 1935, 2172, 2322, 2580, 2715, 3096, 3240, 3258, 3483, 3620, 3870, 4344, 4644, 4887, 5160, 5430, 5805, 6516, 6966, 7240, 7740, 7783, 8145, 9288, 9774, 10860, 11610, 13032, 13932, 14661, 15480, 15566, 16290, 17415, 19548, 21720, 23220, 23349, 24435, 27864, 29322, 31132, 32580, 34830, 38915, 39096, 46440, 46698, 48870, 58644, 62264, 65160, 69660, 70047, 73305, 77830, 93396, 97740, 116745, 117288, 139320, 140094, 146610, 155660, 186792, 195480, 210141, 233490, 280188, 293220, 311320, 350235, 420282, 466980, 560376, 586440, 630423, 700470, 840564, 933960, 1050705, 1260846, 1400940, 1681128, 2101410, 2521692, 2801880, 3152115, 4202820, 5043384, 6304230, 8405640, 12608460, 25216920]

約数ペア:

[(1, 25216920), (2, 12608460), (3, 8405640), (4, 6304230), (5, 5043384), (6, 4202820), (8, 3152115), (9, 2801880), (10, 2521692), (12, 2101410), (15, 1681128), (18, 1400940), (20, 1260846), (24, 1050705), (27, 933960), (30, 840564), (36, 700470), (40, 630423), (43, 586440), (45, 560376), (54, 466980), (60, 420282), (72, 350235), (81, 311320), (86, 293220), (90, 280188), (108, 233490), (120, 210141), (129, 195480), (135, 186792), (162, 155660), (172, 146610), (180, 140094), (181, 139320), (215, 117288), (216, 116745), (258, 97740), (270, 93396), (324, 77830), (344, 73305), (360, 70047), (362, 69660), (387, 65160), (405, 62264), (430, 58644), (516, 48870), (540, 46698), (543, 46440), (645, 39096), (648, 38915), (724, 34830), (774, 32580), (810, 31132), (860, 29322), (905, 27864), (1032, 24435), (1080, 23349), (1086, 23220), (1161, 21720), (1290, 19548), (1448, 17415), (1548, 16290), (1620, 15566), (1629, 15480), (1720, 14661), (1810, 13932), (1935, 13032), (2172, 11610), (2322, 10860), (2580, 9774), (2715, 9288), (3096, 8145), (3240, 7783), (3258, 7740), (3483, 7240), (3620, 6966), (3870, 6516), (4344, 5805), (4644, 5430), (4887, 5160)]