126436640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 345643200

約数和(自身を除く): 219206560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 199, 209, 220, 304, 352, 361, 380, 398, 418, 440, 608, 722, 760, 796, 836, 880, 995, 1045, 1444, 1520, 1592, 1672, 1760, 1805, 1990, 2090, 2189, 2888, 3040, 3184, 3344, 3610, 3781, 3971, 3980, 4180, 4378, 5776, 6368, 6688, 7220, 7562, 7942, 7960, 8360, 8756, 10945, 11552, 14440, 15124, 15884, 15920, 16720, 17512, 18905, 19855, 21890, 28880, 30248, 31768, 31840, 33440, 35024, 37810, 39710, 41591, 43780, 57760, 60496, 63536, 70048, 71839, 75620, 79420, 83182, 87560, 120992, 127072, 143678, 151240, 158840, 166364, 175120, 207955, 287356, 302480, 317680, 332728, 350240, 359195, 415910, 574712, 604960, 635360, 665456, 718390, 790229, 831820, 1149424, 1330912, 1436780, 1580458, 1663640, 2298848, 2873560, 3160916, 3327280, 3951145, 5747120, 6321832, 6654560, 7902290, 11494240, 12643664, 15804580, 25287328, 31609160, 63218320, 126436640]

約数ペア:

[(1, 126436640), (2, 63218320), (4, 31609160), (5, 25287328), (8, 15804580), (10, 12643664), (11, 11494240), (16, 7902290), (19, 6654560), (20, 6321832), (22, 5747120), (32, 3951145), (38, 3327280), (40, 3160916), (44, 2873560), (55, 2298848), (76, 1663640), (80, 1580458), (88, 1436780), (95, 1330912), (110, 1149424), (152, 831820), (160, 790229), (176, 718390), (190, 665456), (199, 635360), (209, 604960), (220, 574712), (304, 415910), (352, 359195), (361, 350240), (380, 332728), (398, 317680), (418, 302480), (440, 287356), (608, 207955), (722, 175120), (760, 166364), (796, 158840), (836, 151240), (880, 143678), (995, 127072), (1045, 120992), (1444, 87560), (1520, 83182), (1592, 79420), (1672, 75620), (1760, 71839), (1805, 70048), (1990, 63536), (2090, 60496), (2189, 57760), (2888, 43780), (3040, 41591), (3184, 39710), (3344, 37810), (3610, 35024), (3781, 33440), (3971, 31840), (3980, 31768), (4180, 30248), (4378, 28880), (5776, 21890), (6368, 19855), (6688, 18905), (7220, 17512), (7562, 16720), (7942, 15920), (7960, 15884), (8360, 15124), (8756, 14440), (10945, 11552)]