280226520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:495

約数の個数: 256

約数和(自身を含む): 1081036800

約数和(自身を除く): 800810280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 101, 105, 108, 120, 126, 135, 140, 168, 180, 189, 202, 210, 216, 252, 270, 280, 303, 315, 360, 367, 378, 404, 420, 504, 505, 540, 606, 630, 707, 734, 756, 808, 840, 909, 945, 1010, 1080, 1101, 1212, 1260, 1414, 1468, 1512, 1515, 1818, 1835, 1890, 2020, 2121, 2202, 2424, 2520, 2569, 2727, 2828, 2936, 3030, 3303, 3535, 3636, 3670, 3780, 4040, 4242, 4404, 4545, 5138, 5454, 5505, 5656, 6060, 6363, 6606, 7070, 7272, 7340, 7560, 7707, 8484, 8808, 9090, 9909, 10276, 10605, 10908, 11010, 12120, 12726, 12845, 13212, 13635, 14140, 14680, 15414, 16515, 16968, 18180, 19089, 19818, 20552, 21210, 21816, 22020, 23121, 25452, 25690, 26424, 27270, 28280, 30828, 31815, 33030, 36360, 37067, 38178, 38535, 39636, 42420, 44040, 46242, 49545, 50904, 51380, 54540, 61656, 63630, 66060, 69363, 74134, 76356, 77070, 79272, 84840, 92484, 95445, 99090, 102760, 109080, 111201, 115605, 127260, 132120, 138726, 148268, 152712, 154140, 184968, 185335, 190890, 198180, 222402, 231210, 254520, 259469, 277452, 296536, 308280, 333603, 346815, 370670, 381780, 396360, 444804, 462420, 518938, 554904, 556005, 667206, 693630, 741340, 763560, 778407, 889608, 924840, 1000809, 1037876, 1112010, 1297345, 1334412, 1387260, 1482680, 1556814, 1668015, 2001618, 2075752, 2224020, 2335221, 2594690, 2668824, 2774520, 3113628, 3336030, 3892035, 4003236, 4448040, 4670442, 5004045, 5189380, 6227256, 6672060, 7005663, 7784070, 8006472, 9340884, 10008090, 10378760, 11676105, 13344120, 14011326, 15568140, 18681768, 20016180, 23352210, 28022652, 31136280, 35028315, 40032360, 46704420, 56045304, 70056630, 93408840, 140113260, 280226520]

約数ペア:

[(1, 280226520), (2, 140113260), (3, 93408840), (4, 70056630), (5, 56045304), (6, 46704420), (7, 40032360), (8, 35028315), (9, 31136280), (10, 28022652), (12, 23352210), (14, 20016180), (15, 18681768), (18, 15568140), (20, 14011326), (21, 13344120), (24, 11676105), (27, 10378760), (28, 10008090), (30, 9340884), (35, 8006472), (36, 7784070), (40, 7005663), (42, 6672060), (45, 6227256), (54, 5189380), (56, 5004045), (60, 4670442), (63, 4448040), (70, 4003236), (72, 3892035), (84, 3336030), (90, 3113628), (101, 2774520), (105, 2668824), (108, 2594690), (120, 2335221), (126, 2224020), (135, 2075752), (140, 2001618), (168, 1668015), (180, 1556814), (189, 1482680), (202, 1387260), (210, 1334412), (216, 1297345), (252, 1112010), (270, 1037876), (280, 1000809), (303, 924840), (315, 889608), (360, 778407), (367, 763560), (378, 741340), (404, 693630), (420, 667206), (504, 556005), (505, 554904), (540, 518938), (606, 462420), (630, 444804), (707, 396360), (734, 381780), (756, 370670), (808, 346815), (840, 333603), (909, 308280), (945, 296536), (1010, 277452), (1080, 259469), (1101, 254520), (1212, 231210), (1260, 222402), (1414, 198180), (1468, 190890), (1512, 185335), (1515, 184968), (1818, 154140), (1835, 152712), (1890, 148268), (2020, 138726), (2121, 132120), (2202, 127260), (2424, 115605), (2520, 111201), (2569, 109080), (2727, 102760), (2828, 99090), (2936, 95445), (3030, 92484), (3303, 84840), (3535, 79272), (3636, 77070), (3670, 76356), (3780, 74134), (4040, 69363), (4242, 66060), (4404, 63630), (4545, 61656), (5138, 54540), (5454, 51380), (5505, 50904), (5656, 49545), (6060, 46242), (6363, 44040), (6606, 42420), (7070, 39636), (7272, 38535), (7340, 38178), (7560, 37067), (7707, 36360), (8484, 33030), (8808, 31815), (9090, 30828), (9909, 28280), (10276, 27270), (10605, 26424), (10908, 25690), (11010, 25452), (12120, 23121), (12726, 22020), (12845, 21816), (13212, 21210), (13635, 20552), (14140, 19818), (14680, 19089), (15414, 18180), (16515, 16968)]