178987140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 565044480

約数和(自身を除く): 386057340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 79, 82, 90, 123, 158, 164, 180, 205, 237, 246, 307, 316, 369, 395, 410, 474, 492, 614, 615, 711, 738, 790, 820, 921, 948, 1185, 1228, 1230, 1422, 1476, 1535, 1580, 1842, 1845, 2370, 2460, 2763, 2844, 3070, 3239, 3555, 3684, 3690, 4605, 4740, 5526, 6140, 6478, 7110, 7380, 9210, 9717, 11052, 12587, 12956, 13815, 14220, 16195, 18420, 19434, 24253, 25174, 27630, 29151, 32390, 37761, 38868, 48506, 48585, 50348, 55260, 58302, 62935, 64780, 72759, 75522, 97012, 97170, 113283, 116604, 121265, 125870, 145518, 145755, 151044, 188805, 194340, 218277, 226566, 242530, 251740, 291036, 291510, 363795, 377610, 436554, 453132, 485060, 566415, 583020, 727590, 755220, 873108, 994373, 1091385, 1132830, 1455180, 1988746, 2182770, 2265660, 2983119, 3977492, 4365540, 4971865, 5966238, 8949357, 9943730, 11932476, 14915595, 17898714, 19887460, 29831190, 35797428, 44746785, 59662380, 89493570, 178987140]

約数ペア:

[(1, 178987140), (2, 89493570), (3, 59662380), (4, 44746785), (5, 35797428), (6, 29831190), (9, 19887460), (10, 17898714), (12, 14915595), (15, 11932476), (18, 9943730), (20, 8949357), (30, 5966238), (36, 4971865), (41, 4365540), (45, 3977492), (60, 2983119), (79, 2265660), (82, 2182770), (90, 1988746), (123, 1455180), (158, 1132830), (164, 1091385), (180, 994373), (205, 873108), (237, 755220), (246, 727590), (307, 583020), (316, 566415), (369, 485060), (395, 453132), (410, 436554), (474, 377610), (492, 363795), (614, 291510), (615, 291036), (711, 251740), (738, 242530), (790, 226566), (820, 218277), (921, 194340), (948, 188805), (1185, 151044), (1228, 145755), (1230, 145518), (1422, 125870), (1476, 121265), (1535, 116604), (1580, 113283), (1842, 97170), (1845, 97012), (2370, 75522), (2460, 72759), (2763, 64780), (2844, 62935), (3070, 58302), (3239, 55260), (3555, 50348), (3684, 48585), (3690, 48506), (4605, 38868), (4740, 37761), (5526, 32390), (6140, 29151), (6478, 27630), (7110, 25174), (7380, 24253), (9210, 19434), (9717, 18420), (11052, 16195), (12587, 14220), (12956, 13815)]