38701520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 112492800

約数和(自身を除く): 73791280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 170, 176, 187, 199, 208, 220, 221, 260, 272, 286, 340, 374, 398, 440, 442, 520, 572, 680, 715, 748, 796, 880, 884, 935, 995, 1040, 1105, 1144, 1360, 1430, 1496, 1592, 1768, 1870, 1990, 2189, 2210, 2288, 2431, 2587, 2860, 2992, 3184, 3383, 3536, 3740, 3980, 4378, 4420, 4862, 5174, 5720, 6766, 7480, 7960, 8756, 8840, 9724, 10348, 10945, 11440, 12155, 12935, 13532, 14960, 15920, 16915, 17512, 17680, 19448, 20696, 21890, 24310, 25870, 27064, 28457, 33830, 35024, 37213, 38896, 41392, 43780, 43979, 48620, 51740, 54128, 56914, 67660, 74426, 87560, 87958, 97240, 103480, 113828, 135320, 142285, 148852, 175120, 175916, 186065, 194480, 206960, 219895, 227656, 270640, 284570, 297704, 351832, 372130, 439790, 455312, 483769, 569140, 595408, 703664, 744260, 879580, 967538, 1138280, 1488520, 1759160, 1935076, 2276560, 2418845, 2977040, 3518320, 3870152, 4837690, 7740304, 9675380, 19350760, 38701520]

約数ペア:

[(1, 38701520), (2, 19350760), (4, 9675380), (5, 7740304), (8, 4837690), (10, 3870152), (11, 3518320), (13, 2977040), (16, 2418845), (17, 2276560), (20, 1935076), (22, 1759160), (26, 1488520), (34, 1138280), (40, 967538), (44, 879580), (52, 744260), (55, 703664), (65, 595408), (68, 569140), (80, 483769), (85, 455312), (88, 439790), (104, 372130), (110, 351832), (130, 297704), (136, 284570), (143, 270640), (170, 227656), (176, 219895), (187, 206960), (199, 194480), (208, 186065), (220, 175916), (221, 175120), (260, 148852), (272, 142285), (286, 135320), (340, 113828), (374, 103480), (398, 97240), (440, 87958), (442, 87560), (520, 74426), (572, 67660), (680, 56914), (715, 54128), (748, 51740), (796, 48620), (880, 43979), (884, 43780), (935, 41392), (995, 38896), (1040, 37213), (1105, 35024), (1144, 33830), (1360, 28457), (1430, 27064), (1496, 25870), (1592, 24310), (1768, 21890), (1870, 20696), (1990, 19448), (2189, 17680), (2210, 17512), (2288, 16915), (2431, 15920), (2587, 14960), (2860, 13532), (2992, 12935), (3184, 12155), (3383, 11440), (3536, 10945), (3740, 10348), (3980, 9724), (4378, 8840), (4420, 8756), (4862, 7960), (5174, 7480), (5720, 6766)]