216878480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:126

約数の個数: 160

約数和(自身を含む): 641292288

約数和(自身を除く): 424413808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 961, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 1922, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 3844, 4030, 4340, 4805, 5642, 6448, 6727, 7280, 7688, 8060, 8680, 9610, 11284, 12493, 13454, 14105, 15376, 16120, 17360, 19220, 22568, 24986, 26908, 28210, 29791, 32240, 33635, 38440, 45136, 49972, 53816, 56420, 59582, 62465, 67270, 76880, 87451, 99944, 107632, 112840, 119164, 124930, 134540, 148955, 174902, 199888, 208537, 225680, 238328, 249860, 269080, 297910, 349804, 387283, 417074, 437255, 476656, 499720, 538160, 595820, 699608, 774566, 834148, 874510, 999440, 1042685, 1191640, 1399216, 1549132, 1668296, 1749020, 1936415, 2085370, 2383280, 2710981, 3098264, 3336592, 3498040, 3872830, 4170740, 5421962, 6196528, 6996080, 7745660, 8341480, 10843924, 13554905, 15491320, 16682960, 21687848, 27109810, 30982640, 43375696, 54219620, 108439240, 216878480]

約数ペア:

[(1, 216878480), (2, 108439240), (4, 54219620), (5, 43375696), (7, 30982640), (8, 27109810), (10, 21687848), (13, 16682960), (14, 15491320), (16, 13554905), (20, 10843924), (26, 8341480), (28, 7745660), (31, 6996080), (35, 6196528), (40, 5421962), (52, 4170740), (56, 3872830), (62, 3498040), (65, 3336592), (70, 3098264), (80, 2710981), (91, 2383280), (104, 2085370), (112, 1936415), (124, 1749020), (130, 1668296), (140, 1549132), (155, 1399216), (182, 1191640), (208, 1042685), (217, 999440), (248, 874510), (260, 834148), (280, 774566), (310, 699608), (364, 595820), (403, 538160), (434, 499720), (455, 476656), (496, 437255), (520, 417074), (560, 387283), (620, 349804), (728, 297910), (806, 269080), (868, 249860), (910, 238328), (961, 225680), (1040, 208537), (1085, 199888), (1240, 174902), (1456, 148955), (1612, 134540), (1736, 124930), (1820, 119164), (1922, 112840), (2015, 107632), (2170, 99944), (2480, 87451), (2821, 76880), (3224, 67270), (3472, 62465), (3640, 59582), (3844, 56420), (4030, 53816), (4340, 49972), (4805, 45136), (5642, 38440), (6448, 33635), (6727, 32240), (7280, 29791), (7688, 28210), (8060, 26908), (8680, 24986), (9610, 22568), (11284, 19220), (12493, 17360), (13454, 16120), (14105, 15376)]