122788640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 332035200

約数和(自身を除く): 209246560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 169, 190, 208, 239, 247, 260, 304, 338, 380, 416, 478, 494, 520, 608, 676, 760, 845, 956, 988, 1040, 1195, 1235, 1352, 1520, 1690, 1912, 1976, 2080, 2390, 2470, 2704, 3040, 3107, 3211, 3380, 3824, 3952, 4541, 4780, 4940, 5408, 6214, 6422, 6760, 7648, 7904, 9082, 9560, 9880, 12428, 12844, 13520, 15535, 16055, 18164, 19120, 19760, 22705, 24856, 25688, 27040, 31070, 32110, 36328, 38240, 39520, 40391, 45410, 49712, 51376, 59033, 62140, 64220, 72656, 80782, 90820, 99424, 102752, 118066, 124280, 128440, 145312, 161564, 181640, 201955, 236132, 248560, 256880, 295165, 323128, 363280, 403910, 472264, 497120, 513760, 590330, 646256, 726560, 767429, 807820, 944528, 1180660, 1292512, 1534858, 1615640, 1889056, 2361320, 3069716, 3231280, 3837145, 4722640, 6139432, 6462560, 7674290, 9445280, 12278864, 15348580, 24557728, 30697160, 61394320, 122788640]

約数ペア:

[(1, 122788640), (2, 61394320), (4, 30697160), (5, 24557728), (8, 15348580), (10, 12278864), (13, 9445280), (16, 7674290), (19, 6462560), (20, 6139432), (26, 4722640), (32, 3837145), (38, 3231280), (40, 3069716), (52, 2361320), (65, 1889056), (76, 1615640), (80, 1534858), (95, 1292512), (104, 1180660), (130, 944528), (152, 807820), (160, 767429), (169, 726560), (190, 646256), (208, 590330), (239, 513760), (247, 497120), (260, 472264), (304, 403910), (338, 363280), (380, 323128), (416, 295165), (478, 256880), (494, 248560), (520, 236132), (608, 201955), (676, 181640), (760, 161564), (845, 145312), (956, 128440), (988, 124280), (1040, 118066), (1195, 102752), (1235, 99424), (1352, 90820), (1520, 80782), (1690, 72656), (1912, 64220), (1976, 62140), (2080, 59033), (2390, 51376), (2470, 49712), (2704, 45410), (3040, 40391), (3107, 39520), (3211, 38240), (3380, 36328), (3824, 32110), (3952, 31070), (4541, 27040), (4780, 25688), (4940, 24856), (5408, 22705), (6214, 19760), (6422, 19120), (6760, 18164), (7648, 16055), (7904, 15535), (9082, 13520), (9560, 12844), (9880, 12428)]