1815798960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81353}}^1$

素因数の和:81403

約数の個数: 120

約数和(自身を含む): 6294847104

約数和(自身を除く): 4479048144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 81353, 162706, 244059, 325412, 406765, 488118, 650824, 732177, 813530, 976236, 1220295, 1301648, 1464354, 1627060, 1952472, 2440590, 2521943, 2928708, 3254120, 3660885, 3904944, 4881180, 5043886, 5857416, 6508240, 7321770, 7565829, 9762360, 10087772, 11714832, 12609715, 14643540, 15131658, 19524720, 20175544, 22697487, 25219430, 29287080, 30263316, 37829145, 40351088, 45394974, 50438860, 58574160, 60526632, 75658290, 90789948, 100877720, 113487435, 121053264, 151316580, 181579896, 201755440, 226974870, 302633160, 363159792, 453949740, 605266320, 907899480, 1815798960]

約数ペア:

[(1, 1815798960), (2, 907899480), (3, 605266320), (4, 453949740), (5, 363159792), (6, 302633160), (8, 226974870), (9, 201755440), (10, 181579896), (12, 151316580), (15, 121053264), (16, 113487435), (18, 100877720), (20, 90789948), (24, 75658290), (30, 60526632), (31, 58574160), (36, 50438860), (40, 45394974), (45, 40351088), (48, 37829145), (60, 30263316), (62, 29287080), (72, 25219430), (80, 22697487), (90, 20175544), (93, 19524720), (120, 15131658), (124, 14643540), (144, 12609715), (155, 11714832), (180, 10087772), (186, 9762360), (240, 7565829), (248, 7321770), (279, 6508240), (310, 5857416), (360, 5043886), (372, 4881180), (465, 3904944), (496, 3660885), (558, 3254120), (620, 2928708), (720, 2521943), (744, 2440590), (930, 1952472), (1116, 1627060), (1240, 1464354), (1395, 1301648), (1488, 1220295), (1860, 976236), (2232, 813530), (2480, 732177), (2790, 650824), (3720, 488118), (4464, 406765), (5580, 325412), (7440, 244059), (11160, 162706), (22320, 81353)]