279508719920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{21031}}^1$

素因数の和:21331

約数の個数: 160

約数和(自身を含む): 703024717824

約数和(自身を除く): 423515997904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 233, 248, 310, 368, 460, 466, 496, 620, 713, 920, 932, 1165, 1240, 1426, 1840, 1864, 2330, 2480, 2852, 3565, 3728, 4660, 5359, 5704, 7130, 7223, 9320, 10718, 11408, 14260, 14446, 18640, 21031, 21436, 26795, 28520, 28892, 36115, 42062, 42872, 53590, 57040, 57784, 72230, 84124, 85744, 105155, 107180, 115568, 144460, 166129, 168248, 210310, 214360, 288920, 332258, 336496, 420620, 428720, 483713, 577840, 651961, 664516, 830645, 841240, 967426, 1303922, 1329032, 1661290, 1682480, 1934852, 2418565, 2607844, 2658064, 3259805, 3322580, 3869704, 4837130, 4900223, 5215688, 6519610, 6645160, 7739408, 9674260, 9800446, 10431376, 13039220, 13290320, 14995103, 19348520, 19600892, 24501115, 26078440, 29990206, 38697040, 39201784, 49002230, 52156880, 59980412, 74975515, 78403568, 98004460, 112705129, 119960824, 149951030, 151906913, 196008920, 225410258, 239921648, 299902060, 303813826, 392017840, 450820516, 563525645, 599804120, 607627652, 759534565, 901641032, 1127051290, 1199608240, 1215255304, 1519069130, 1803282064, 2254102580, 2430510608, 3038138260, 3493858999, 4508205160, 6076276520, 6987717998, 9016410320, 12152553040, 13975435996, 17469294995, 27950871992, 34938589990, 55901743984, 69877179980, 139754359960, 279508719920]

約数ペア:

[(1, 279508719920), (2, 139754359960), (4, 69877179980), (5, 55901743984), (8, 34938589990), (10, 27950871992), (16, 17469294995), (20, 13975435996), (23, 12152553040), (31, 9016410320), (40, 6987717998), (46, 6076276520), (62, 4508205160), (80, 3493858999), (92, 3038138260), (115, 2430510608), (124, 2254102580), (155, 1803282064), (184, 1519069130), (230, 1215255304), (233, 1199608240), (248, 1127051290), (310, 901641032), (368, 759534565), (460, 607627652), (466, 599804120), (496, 563525645), (620, 450820516), (713, 392017840), (920, 303813826), (932, 299902060), (1165, 239921648), (1240, 225410258), (1426, 196008920), (1840, 151906913), (1864, 149951030), (2330, 119960824), (2480, 112705129), (2852, 98004460), (3565, 78403568), (3728, 74975515), (4660, 59980412), (5359, 52156880), (5704, 49002230), (7130, 39201784), (7223, 38697040), (9320, 29990206), (10718, 26078440), (11408, 24501115), (14260, 19600892), (14446, 19348520), (18640, 14995103), (21031, 13290320), (21436, 13039220), (26795, 10431376), (28520, 9800446), (28892, 9674260), (36115, 7739408), (42062, 6645160), (42872, 6519610), (53590, 5215688), (57040, 4900223), (57784, 4837130), (72230, 3869704), (84124, 3322580), (85744, 3259805), (105155, 2658064), (107180, 2607844), (115568, 2418565), (144460, 1934852), (166129, 1682480), (168248, 1661290), (210310, 1329032), (214360, 1303922), (288920, 967426), (332258, 841240), (336496, 830645), (420620, 664516), (428720, 651961), (483713, 577840)]