161530668

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 473316480

約数和(自身を除く): 311785812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 79, 102, 117, 153, 156, 158, 204, 221, 234, 237, 257, 306, 316, 442, 468, 474, 514, 612, 663, 711, 771, 884, 948, 1027, 1028, 1326, 1343, 1422, 1542, 1989, 2054, 2313, 2652, 2686, 2844, 3081, 3084, 3341, 3978, 4029, 4108, 4369, 4626, 5372, 6162, 6682, 7956, 8058, 8738, 9243, 9252, 10023, 12087, 12324, 13107, 13364, 16116, 17459, 17476, 18486, 20046, 20303, 24174, 26214, 30069, 34918, 36972, 39321, 40092, 40606, 48348, 52377, 52428, 56797, 60138, 60909, 69836, 78642, 81212, 104754, 113594, 120276, 121818, 157131, 157284, 170391, 182727, 209508, 227188, 243636, 263939, 314262, 340782, 345151, 365454, 511173, 527878, 628524, 681564, 690302, 730908, 791817, 1022346, 1035453, 1055756, 1380604, 1583634, 2044692, 2070906, 2375451, 3106359, 3167268, 4141812, 4486963, 4750902, 6212718, 8973926, 9501804, 12425436, 13460889, 17947852, 26921778, 40382667, 53843556, 80765334, 161530668]

約数ペア:

[(1, 161530668), (2, 80765334), (3, 53843556), (4, 40382667), (6, 26921778), (9, 17947852), (12, 13460889), (13, 12425436), (17, 9501804), (18, 8973926), (26, 6212718), (34, 4750902), (36, 4486963), (39, 4141812), (51, 3167268), (52, 3106359), (68, 2375451), (78, 2070906), (79, 2044692), (102, 1583634), (117, 1380604), (153, 1055756), (156, 1035453), (158, 1022346), (204, 791817), (221, 730908), (234, 690302), (237, 681564), (257, 628524), (306, 527878), (316, 511173), (442, 365454), (468, 345151), (474, 340782), (514, 314262), (612, 263939), (663, 243636), (711, 227188), (771, 209508), (884, 182727), (948, 170391), (1027, 157284), (1028, 157131), (1326, 121818), (1343, 120276), (1422, 113594), (1542, 104754), (1989, 81212), (2054, 78642), (2313, 69836), (2652, 60909), (2686, 60138), (2844, 56797), (3081, 52428), (3084, 52377), (3341, 48348), (3978, 40606), (4029, 40092), (4108, 39321), (4369, 36972), (4626, 34918), (5372, 30069), (6162, 26214), (6682, 24174), (7956, 20303), (8058, 20046), (8738, 18486), (9243, 17476), (9252, 17459), (10023, 16116), (12087, 13364), (12324, 13107)]