208652320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 540509760

約数和(自身を除く): 331857440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 59, 62, 80, 92, 115, 118, 124, 155, 160, 184, 230, 236, 248, 295, 310, 368, 460, 472, 496, 590, 620, 713, 736, 920, 944, 961, 992, 1180, 1240, 1357, 1426, 1829, 1840, 1888, 1922, 2360, 2480, 2714, 2852, 3565, 3658, 3680, 3844, 4720, 4805, 4960, 5428, 5704, 6785, 7130, 7316, 7688, 9145, 9440, 9610, 10856, 11408, 13570, 14260, 14632, 15376, 18290, 19220, 21712, 22103, 22816, 27140, 28520, 29264, 30752, 36580, 38440, 42067, 43424, 44206, 54280, 56699, 57040, 58528, 73160, 76880, 84134, 88412, 108560, 110515, 113398, 114080, 146320, 153760, 168268, 176824, 210335, 217120, 221030, 226796, 283495, 292640, 336536, 353648, 420670, 442060, 453592, 566990, 673072, 707296, 841340, 884120, 907184, 1133980, 1304077, 1346144, 1682680, 1768240, 1814368, 2267960, 2608154, 3365360, 3536480, 4535920, 5216308, 6520385, 6730720, 9071840, 10432616, 13040770, 20865232, 26081540, 41730464, 52163080, 104326160, 208652320]

約数ペア:

[(1, 208652320), (2, 104326160), (4, 52163080), (5, 41730464), (8, 26081540), (10, 20865232), (16, 13040770), (20, 10432616), (23, 9071840), (31, 6730720), (32, 6520385), (40, 5216308), (46, 4535920), (59, 3536480), (62, 3365360), (80, 2608154), (92, 2267960), (115, 1814368), (118, 1768240), (124, 1682680), (155, 1346144), (160, 1304077), (184, 1133980), (230, 907184), (236, 884120), (248, 841340), (295, 707296), (310, 673072), (368, 566990), (460, 453592), (472, 442060), (496, 420670), (590, 353648), (620, 336536), (713, 292640), (736, 283495), (920, 226796), (944, 221030), (961, 217120), (992, 210335), (1180, 176824), (1240, 168268), (1357, 153760), (1426, 146320), (1829, 114080), (1840, 113398), (1888, 110515), (1922, 108560), (2360, 88412), (2480, 84134), (2714, 76880), (2852, 73160), (3565, 58528), (3658, 57040), (3680, 56699), (3844, 54280), (4720, 44206), (4805, 43424), (4960, 42067), (5428, 38440), (5704, 36580), (6785, 30752), (7130, 29264), (7316, 28520), (7688, 27140), (9145, 22816), (9440, 22103), (9610, 21712), (10856, 19220), (11408, 18290), (13570, 15376), (14260, 14632)]