490969080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 256

約数和(自身を含む): 1891814400

約数和(自身を除く): 1400845320

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, 378, 404, 420, 504, 505, 540, 606, 630, 643, 707, 756, 808, 840, 909, 945, 1010, 1080, 1212, 1260, 1286, 1414, 1512, 1515, 1818, 1890, 1929, 2020, 2121, 2424, 2520, 2572, 2727, 2828, 3030, 3215, 3535, 3636, 3780, 3858, 4040, 4242, 4501, 4545, 5144, 5454, 5656, 5787, 6060, 6363, 6430, 7070, 7272, 7560, 7716, 8484, 9002, 9090, 9645, 10605, 10908, 11574, 12120, 12726, 12860, 13503, 13635, 14140, 15432, 16968, 17361, 18004, 18180, 19089, 19290, 21210, 21816, 22505, 23148, 25452, 25720, 27006, 27270, 28280, 28935, 31815, 34722, 36008, 36360, 38178, 38580, 40509, 42420, 45010, 46296, 50904, 54012, 54540, 57870, 63630, 64943, 67515, 69444, 76356, 77160, 81018, 84840, 86805, 90020, 95445, 108024, 109080, 115740, 121527, 127260, 129886, 135030, 138888, 152712, 162036, 173610, 180040, 190890, 194829, 202545, 231480, 243054, 254520, 259772, 270060, 324072, 324715, 347220, 381780, 389658, 405090, 454601, 486108, 519544, 540120, 584487, 607635, 649430, 694440, 763560, 779316, 810180, 909202, 972216, 974145, 1168974, 1215270, 1298860, 1363803, 1558632, 1620360, 1753461, 1818404, 1948290, 2273005, 2337948, 2430540, 2597720, 2727606, 2922435, 3506922, 3636808, 3896580, 4091409, 4546010, 4675896, 4861080, 5455212, 5844870, 6819015, 7013844, 7793160, 8182818, 8767305, 9092020, 10910424, 11689740, 12274227, 13638030, 14027688, 16365636, 17534610, 18184040, 20457045, 23379480, 24548454, 27276060, 32731272, 35069220, 40914090, 49096908, 54552120, 61371135, 70138440, 81828180, 98193816, 122742270, 163656360, 245484540, 490969080]

約数ペア:

[(1, 490969080), (2, 245484540), (3, 163656360), (4, 122742270), (5, 98193816), (6, 81828180), (7, 70138440), (8, 61371135), (9, 54552120), (10, 49096908), (12, 40914090), (14, 35069220), (15, 32731272), (18, 27276060), (20, 24548454), (21, 23379480), (24, 20457045), (27, 18184040), (28, 17534610), (30, 16365636), (35, 14027688), (36, 13638030), (40, 12274227), (42, 11689740), (45, 10910424), (54, 9092020), (56, 8767305), (60, 8182818), (63, 7793160), (70, 7013844), (72, 6819015), (84, 5844870), (90, 5455212), (101, 4861080), (105, 4675896), (108, 4546010), (120, 4091409), (126, 3896580), (135, 3636808), (140, 3506922), (168, 2922435), (180, 2727606), (189, 2597720), (202, 2430540), (210, 2337948), (216, 2273005), (252, 1948290), (270, 1818404), (280, 1753461), (303, 1620360), (315, 1558632), (360, 1363803), (378, 1298860), (404, 1215270), (420, 1168974), (504, 974145), (505, 972216), (540, 909202), (606, 810180), (630, 779316), (643, 763560), (707, 694440), (756, 649430), (808, 607635), (840, 584487), (909, 540120), (945, 519544), (1010, 486108), (1080, 454601), (1212, 405090), (1260, 389658), (1286, 381780), (1414, 347220), (1512, 324715), (1515, 324072), (1818, 270060), (1890, 259772), (1929, 254520), (2020, 243054), (2121, 231480), (2424, 202545), (2520, 194829), (2572, 190890), (2727, 180040), (2828, 173610), (3030, 162036), (3215, 152712), (3535, 138888), (3636, 135030), (3780, 129886), (3858, 127260), (4040, 121527), (4242, 115740), (4501, 109080), (4545, 108024), (5144, 95445), (5454, 90020), (5656, 86805), (5787, 84840), (6060, 81018), (6363, 77160), (6430, 76356), (7070, 69444), (7272, 67515), (7560, 64943), (7716, 63630), (8484, 57870), (9002, 54540), (9090, 54012), (9645, 50904), (10605, 46296), (10908, 45010), (11574, 42420), (12120, 40509), (12726, 38580), (12860, 38178), (13503, 36360), (13635, 36008), (14140, 34722), (15432, 31815), (16968, 28935), (17361, 28280), (18004, 27270), (18180, 27006), (19089, 25720), (19290, 25452), (21210, 23148), (21816, 22505)]