161181488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 361226880

約数和(自身を除く): 200045392

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 79, 104, 136, 158, 208, 221, 272, 316, 442, 577, 632, 884, 1027, 1154, 1264, 1343, 1768, 2054, 2308, 2686, 3536, 4108, 4616, 5372, 7501, 8216, 9232, 9809, 10744, 15002, 16432, 17459, 19618, 21488, 30004, 34918, 39236, 45583, 60008, 69836, 78472, 91166, 120016, 127517, 139672, 156944, 182332, 255034, 279344, 364664, 510068, 592579, 729328, 774911, 1020136, 1185158, 1549822, 2040272, 2370316, 3099644, 4740632, 6199288, 9481264, 10073843, 12398576, 20147686, 40295372, 80590744, 161181488]

約数ペア:

[(1, 161181488), (2, 80590744), (4, 40295372), (8, 20147686), (13, 12398576), (16, 10073843), (17, 9481264), (26, 6199288), (34, 4740632), (52, 3099644), (68, 2370316), (79, 2040272), (104, 1549822), (136, 1185158), (158, 1020136), (208, 774911), (221, 729328), (272, 592579), (316, 510068), (442, 364664), (577, 279344), (632, 255034), (884, 182332), (1027, 156944), (1154, 139672), (1264, 127517), (1343, 120016), (1768, 91166), (2054, 78472), (2308, 69836), (2686, 60008), (3536, 45583), (4108, 39236), (4616, 34918), (5372, 30004), (7501, 21488), (8216, 19618), (9232, 17459), (9809, 16432), (10744, 15002)]