87299680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:141

約数の個数: 144

約数和(自身を含む): 238880880

約数和(自身を除く): 151581200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 47, 52, 65, 76, 80, 94, 95, 104, 130, 152, 160, 188, 190, 208, 235, 247, 260, 304, 376, 380, 416, 470, 494, 520, 608, 611, 752, 760, 893, 940, 988, 1040, 1222, 1235, 1504, 1520, 1786, 1880, 1976, 2080, 2209, 2444, 2470, 3040, 3055, 3572, 3760, 3952, 4418, 4465, 4888, 4940, 6110, 7144, 7520, 7904, 8836, 8930, 9776, 9880, 11045, 11609, 12220, 14288, 17672, 17860, 19552, 19760, 22090, 23218, 24440, 28576, 28717, 35344, 35720, 39520, 41971, 44180, 46436, 48880, 57434, 58045, 70688, 71440, 83942, 88360, 92872, 97760, 114868, 116090, 142880, 143585, 167884, 176720, 185744, 209855, 229736, 232180, 287170, 335768, 353440, 371488, 419710, 459472, 464360, 545623, 574340, 671536, 839420, 918944, 928720, 1091246, 1148680, 1343072, 1678840, 1857440, 2182492, 2297360, 2728115, 3357680, 4364984, 4594720, 5456230, 6715360, 8729968, 10912460, 17459936, 21824920, 43649840, 87299680]

約数ペア:

[(1, 87299680), (2, 43649840), (4, 21824920), (5, 17459936), (8, 10912460), (10, 8729968), (13, 6715360), (16, 5456230), (19, 4594720), (20, 4364984), (26, 3357680), (32, 2728115), (38, 2297360), (40, 2182492), (47, 1857440), (52, 1678840), (65, 1343072), (76, 1148680), (80, 1091246), (94, 928720), (95, 918944), (104, 839420), (130, 671536), (152, 574340), (160, 545623), (188, 464360), (190, 459472), (208, 419710), (235, 371488), (247, 353440), (260, 335768), (304, 287170), (376, 232180), (380, 229736), (416, 209855), (470, 185744), (494, 176720), (520, 167884), (608, 143585), (611, 142880), (752, 116090), (760, 114868), (893, 97760), (940, 92872), (988, 88360), (1040, 83942), (1222, 71440), (1235, 70688), (1504, 58045), (1520, 57434), (1786, 48880), (1880, 46436), (1976, 44180), (2080, 41971), (2209, 39520), (2444, 35720), (2470, 35344), (3040, 28717), (3055, 28576), (3572, 24440), (3760, 23218), (3952, 22090), (4418, 19760), (4465, 19552), (4888, 17860), (4940, 17672), (6110, 14288), (7144, 12220), (7520, 11609), (7904, 11045), (8836, 9880), (8930, 9776)]