248913840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:899

約数の個数: 160

約数和(自身を含む): 887086080

約数和(自身を除く): 638172240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 229, 240, 280, 336, 420, 458, 560, 647, 687, 840, 916, 1145, 1294, 1374, 1603, 1680, 1832, 1941, 2290, 2588, 2748, 3206, 3235, 3435, 3664, 3882, 4529, 4580, 4809, 5176, 5496, 6412, 6470, 6870, 7764, 8015, 9058, 9160, 9618, 9705, 10352, 10992, 12824, 12940, 13587, 13740, 15528, 16030, 18116, 18320, 19236, 19410, 22645, 24045, 25648, 25880, 27174, 27480, 31056, 32060, 36232, 38472, 38820, 45290, 48090, 51760, 54348, 54960, 64120, 67935, 72464, 76944, 77640, 90580, 96180, 108696, 128240, 135870, 148163, 155280, 181160, 192360, 217392, 271740, 296326, 362320, 384720, 444489, 543480, 592652, 740815, 888978, 1037141, 1086960, 1185304, 1481630, 1777956, 2074282, 2222445, 2370608, 2963260, 3111423, 3555912, 4148564, 4444890, 5185705, 5926520, 6222846, 7111824, 8297128, 8889780, 10371410, 11853040, 12445692, 15557115, 16594256, 17779560, 20742820, 24891384, 31114230, 35559120, 41485640, 49782768, 62228460, 82971280, 124456920, 248913840]

約数ペア:

[(1, 248913840), (2, 124456920), (3, 82971280), (4, 62228460), (5, 49782768), (6, 41485640), (7, 35559120), (8, 31114230), (10, 24891384), (12, 20742820), (14, 17779560), (15, 16594256), (16, 15557115), (20, 12445692), (21, 11853040), (24, 10371410), (28, 8889780), (30, 8297128), (35, 7111824), (40, 6222846), (42, 5926520), (48, 5185705), (56, 4444890), (60, 4148564), (70, 3555912), (80, 3111423), (84, 2963260), (105, 2370608), (112, 2222445), (120, 2074282), (140, 1777956), (168, 1481630), (210, 1185304), (229, 1086960), (240, 1037141), (280, 888978), (336, 740815), (420, 592652), (458, 543480), (560, 444489), (647, 384720), (687, 362320), (840, 296326), (916, 271740), (1145, 217392), (1294, 192360), (1374, 181160), (1603, 155280), (1680, 148163), (1832, 135870), (1941, 128240), (2290, 108696), (2588, 96180), (2748, 90580), (3206, 77640), (3235, 76944), (3435, 72464), (3664, 67935), (3882, 64120), (4529, 54960), (4580, 54348), (4809, 51760), (5176, 48090), (5496, 45290), (6412, 38820), (6470, 38472), (6870, 36232), (7764, 32060), (8015, 31056), (9058, 27480), (9160, 27174), (9618, 25880), (9705, 25648), (10352, 24045), (10992, 22645), (12824, 19410), (12940, 19236), (13587, 18320), (13740, 18116), (15528, 16030)]