221625240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1361}}^1$

素因数の和:1457

約数の個数: 128

約数和(自身を含む): 706060800

約数和(自身を除く): 484435560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 345, 354, 460, 472, 552, 590, 690, 708, 885, 920, 1180, 1357, 1361, 1380, 1416, 1770, 2360, 2714, 2722, 2760, 3540, 4071, 4083, 5428, 5444, 6785, 6805, 7080, 8142, 8166, 10856, 10888, 13570, 13610, 16284, 16332, 20355, 20415, 27140, 27220, 31303, 32568, 32664, 40710, 40830, 54280, 54440, 62606, 80299, 81420, 81660, 93909, 125212, 156515, 160598, 162840, 163320, 187818, 240897, 250424, 313030, 321196, 375636, 401495, 469545, 481794, 626060, 642392, 751272, 802990, 939090, 963588, 1204485, 1252120, 1605980, 1846877, 1878180, 1927176, 2408970, 3211960, 3693754, 3756360, 4817940, 5540631, 7387508, 9234385, 9635880, 11081262, 14775016, 18468770, 22162524, 27703155, 36937540, 44325048, 55406310, 73875080, 110812620, 221625240]

約数ペア:

[(1, 221625240), (2, 110812620), (3, 73875080), (4, 55406310), (5, 44325048), (6, 36937540), (8, 27703155), (10, 22162524), (12, 18468770), (15, 14775016), (20, 11081262), (23, 9635880), (24, 9234385), (30, 7387508), (40, 5540631), (46, 4817940), (59, 3756360), (60, 3693754), (69, 3211960), (92, 2408970), (115, 1927176), (118, 1878180), (120, 1846877), (138, 1605980), (177, 1252120), (184, 1204485), (230, 963588), (236, 939090), (276, 802990), (295, 751272), (345, 642392), (354, 626060), (460, 481794), (472, 469545), (552, 401495), (590, 375636), (690, 321196), (708, 313030), (885, 250424), (920, 240897), (1180, 187818), (1357, 163320), (1361, 162840), (1380, 160598), (1416, 156515), (1770, 125212), (2360, 93909), (2714, 81660), (2722, 81420), (2760, 80299), (3540, 62606), (4071, 54440), (4083, 54280), (5428, 40830), (5444, 40710), (6785, 32664), (6805, 32568), (7080, 31303), (8142, 27220), (8166, 27140), (10856, 20415), (10888, 20355), (13570, 16332), (13610, 16284)]