131541680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 120

約数和(自身を含む): 332456400

約数和(自身を除く): 200914720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 59, 62, 80, 116, 118, 124, 145, 155, 232, 236, 248, 290, 295, 310, 464, 472, 496, 580, 590, 620, 899, 944, 961, 1160, 1180, 1240, 1711, 1798, 1829, 1922, 2320, 2360, 2480, 3422, 3596, 3658, 3844, 4495, 4720, 4805, 6844, 7192, 7316, 7688, 8555, 8990, 9145, 9610, 13688, 14384, 14632, 15376, 17110, 17980, 18290, 19220, 27376, 27869, 29264, 34220, 35960, 36580, 38440, 53041, 55738, 56699, 68440, 71920, 73160, 76880, 106082, 111476, 113398, 136880, 139345, 146320, 212164, 222952, 226796, 265205, 278690, 283495, 424328, 445904, 453592, 530410, 557380, 566990, 848656, 907184, 1060820, 1114760, 1133980, 1644271, 2121640, 2229520, 2267960, 3288542, 4243280, 4535920, 6577084, 8221355, 13154168, 16442710, 26308336, 32885420, 65770840, 131541680]

約数ペア:

[(1, 131541680), (2, 65770840), (4, 32885420), (5, 26308336), (8, 16442710), (10, 13154168), (16, 8221355), (20, 6577084), (29, 4535920), (31, 4243280), (40, 3288542), (58, 2267960), (59, 2229520), (62, 2121640), (80, 1644271), (116, 1133980), (118, 1114760), (124, 1060820), (145, 907184), (155, 848656), (232, 566990), (236, 557380), (248, 530410), (290, 453592), (295, 445904), (310, 424328), (464, 283495), (472, 278690), (496, 265205), (580, 226796), (590, 222952), (620, 212164), (899, 146320), (944, 139345), (961, 136880), (1160, 113398), (1180, 111476), (1240, 106082), (1711, 76880), (1798, 73160), (1829, 71920), (1922, 68440), (2320, 56699), (2360, 55738), (2480, 53041), (3422, 38440), (3596, 36580), (3658, 35960), (3844, 34220), (4495, 29264), (4720, 27869), (4805, 27376), (6844, 19220), (7192, 18290), (7316, 17980), (7688, 17110), (8555, 15376), (8990, 14632), (9145, 14384), (9610, 13688)]