164538080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 144

約数和(自身を含む): 467462016

約数和(自身を除く): 302923936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 677, 784, 868, 980, 992, 1085, 1120, 1240, 1354, 1519, 1568, 1736, 1960, 2170, 2480, 2708, 3038, 3385, 3472, 3920, 4340, 4739, 4960, 5416, 6076, 6770, 6944, 7595, 7840, 8680, 9478, 10832, 12152, 13540, 15190, 17360, 18956, 20987, 21664, 23695, 24304, 27080, 30380, 33173, 34720, 37912, 41974, 47390, 48608, 54160, 60760, 66346, 75824, 83948, 94780, 104935, 108320, 121520, 132692, 146909, 151648, 165865, 167896, 189560, 209870, 243040, 265384, 293818, 331730, 335792, 379120, 419740, 530768, 587636, 663460, 671584, 734545, 758240, 839480, 1028363, 1061536, 1175272, 1326920, 1469090, 1678960, 2056726, 2350544, 2653840, 2938180, 3357920, 4113452, 4701088, 5141815, 5307680, 5876360, 8226904, 10283630, 11752720, 16453808, 20567260, 23505440, 32907616, 41134520, 82269040, 164538080]

約数ペア:

[(1, 164538080), (2, 82269040), (4, 41134520), (5, 32907616), (7, 23505440), (8, 20567260), (10, 16453808), (14, 11752720), (16, 10283630), (20, 8226904), (28, 5876360), (31, 5307680), (32, 5141815), (35, 4701088), (40, 4113452), (49, 3357920), (56, 2938180), (62, 2653840), (70, 2350544), (80, 2056726), (98, 1678960), (112, 1469090), (124, 1326920), (140, 1175272), (155, 1061536), (160, 1028363), (196, 839480), (217, 758240), (224, 734545), (245, 671584), (248, 663460), (280, 587636), (310, 530768), (392, 419740), (434, 379120), (490, 335792), (496, 331730), (560, 293818), (620, 265384), (677, 243040), (784, 209870), (868, 189560), (980, 167896), (992, 165865), (1085, 151648), (1120, 146909), (1240, 132692), (1354, 121520), (1519, 108320), (1568, 104935), (1736, 94780), (1960, 83948), (2170, 75824), (2480, 66346), (2708, 60760), (3038, 54160), (3385, 48608), (3472, 47390), (3920, 41974), (4340, 37912), (4739, 34720), (4960, 33173), (5416, 30380), (6076, 27080), (6770, 24304), (6944, 23695), (7595, 21664), (7840, 20987), (8680, 18956), (9478, 17360), (10832, 15190), (12152, 13540)]