165717760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 447096384

約数和(自身を除く): 281378624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 256, 260, 299, 320, 368, 416, 433, 460, 520, 598, 640, 736, 832, 866, 920, 1040, 1196, 1280, 1472, 1495, 1664, 1732, 1840, 2080, 2165, 2392, 2944, 2990, 3328, 3464, 3680, 4160, 4330, 4784, 5629, 5888, 5980, 6928, 7360, 8320, 8660, 9568, 9959, 11258, 11960, 13856, 14720, 16640, 17320, 19136, 19918, 22516, 23920, 27712, 28145, 29440, 34640, 38272, 39836, 45032, 47840, 49795, 55424, 56290, 69280, 76544, 79672, 90064, 95680, 99590, 110848, 112580, 129467, 138560, 159344, 180128, 191360, 199180, 225160, 258934, 277120, 318688, 360256, 382720, 398360, 450320, 517868, 554240, 637376, 647335, 720512, 796720, 900640, 1035736, 1274752, 1294670, 1441024, 1593440, 1801280, 2071472, 2549504, 2589340, 3186880, 3602560, 4142944, 5178680, 6373760, 7205120, 8285888, 10357360, 12747520, 16571776, 20714720, 33143552, 41429440, 82858880, 165717760]

約数ペア:

[(1, 165717760), (2, 82858880), (4, 41429440), (5, 33143552), (8, 20714720), (10, 16571776), (13, 12747520), (16, 10357360), (20, 8285888), (23, 7205120), (26, 6373760), (32, 5178680), (40, 4142944), (46, 3602560), (52, 3186880), (64, 2589340), (65, 2549504), (80, 2071472), (92, 1801280), (104, 1593440), (115, 1441024), (128, 1294670), (130, 1274752), (160, 1035736), (184, 900640), (208, 796720), (230, 720512), (256, 647335), (260, 637376), (299, 554240), (320, 517868), (368, 450320), (416, 398360), (433, 382720), (460, 360256), (520, 318688), (598, 277120), (640, 258934), (736, 225160), (832, 199180), (866, 191360), (920, 180128), (1040, 159344), (1196, 138560), (1280, 129467), (1472, 112580), (1495, 110848), (1664, 99590), (1732, 95680), (1840, 90064), (2080, 79672), (2165, 76544), (2392, 69280), (2944, 56290), (2990, 55424), (3328, 49795), (3464, 47840), (3680, 45032), (4160, 39836), (4330, 38272), (4784, 34640), (5629, 29440), (5888, 28145), (5980, 27712), (6928, 23920), (7360, 22516), (8320, 19918), (8660, 19136), (9568, 17320), (9959, 16640), (11258, 14720), (11960, 13856)]