78488880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 259269120

約数和(自身を除く): 180780240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 59, 60, 69, 80, 92, 115, 118, 120, 138, 177, 184, 230, 236, 240, 241, 276, 295, 345, 354, 368, 460, 472, 482, 552, 590, 690, 708, 723, 885, 920, 944, 964, 1104, 1180, 1205, 1357, 1380, 1416, 1446, 1770, 1840, 1928, 2360, 2410, 2714, 2760, 2832, 2892, 3540, 3615, 3856, 4071, 4720, 4820, 5428, 5520, 5543, 5784, 6785, 7080, 7230, 8142, 9640, 10856, 11086, 11568, 13570, 14160, 14219, 14460, 16284, 16629, 19280, 20355, 21712, 22172, 27140, 27715, 28438, 28920, 32568, 33258, 40710, 42657, 44344, 54280, 55430, 56876, 57840, 65136, 66516, 71095, 81420, 83145, 85314, 88688, 108560, 110860, 113752, 133032, 142190, 162840, 166290, 170628, 213285, 221720, 227504, 266064, 284380, 325680, 327037, 332580, 341256, 426570, 443440, 568760, 654074, 665160, 682512, 853140, 981111, 1137520, 1308148, 1330320, 1635185, 1706280, 1962222, 2616296, 3270370, 3412560, 3924444, 4905555, 5232592, 6540740, 7848888, 9811110, 13081480, 15697776, 19622220, 26162960, 39244440, 78488880]

約数ペア:

[(1, 78488880), (2, 39244440), (3, 26162960), (4, 19622220), (5, 15697776), (6, 13081480), (8, 9811110), (10, 7848888), (12, 6540740), (15, 5232592), (16, 4905555), (20, 3924444), (23, 3412560), (24, 3270370), (30, 2616296), (40, 1962222), (46, 1706280), (48, 1635185), (59, 1330320), (60, 1308148), (69, 1137520), (80, 981111), (92, 853140), (115, 682512), (118, 665160), (120, 654074), (138, 568760), (177, 443440), (184, 426570), (230, 341256), (236, 332580), (240, 327037), (241, 325680), (276, 284380), (295, 266064), (345, 227504), (354, 221720), (368, 213285), (460, 170628), (472, 166290), (482, 162840), (552, 142190), (590, 133032), (690, 113752), (708, 110860), (723, 108560), (885, 88688), (920, 85314), (944, 83145), (964, 81420), (1104, 71095), (1180, 66516), (1205, 65136), (1357, 57840), (1380, 56876), (1416, 55430), (1446, 54280), (1770, 44344), (1840, 42657), (1928, 40710), (2360, 33258), (2410, 32568), (2714, 28920), (2760, 28438), (2832, 27715), (2892, 27140), (3540, 22172), (3615, 21712), (3856, 20355), (4071, 19280), (4720, 16629), (4820, 16284), (5428, 14460), (5520, 14219), (5543, 14160), (5784, 13570), (6785, 11568), (7080, 11086), (7230, 10856), (8142, 9640)]