18222491120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{709}}^1$

素因数の和:1235

約数の個数: 160

約数和(自身を含む): 45967444800

約数和(自身を除く): 27744953680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 457, 592, 703, 709, 740, 760, 914, 1406, 1418, 1480, 1520, 1828, 2285, 2812, 2836, 2960, 3515, 3545, 3656, 4570, 5624, 5672, 7030, 7090, 7312, 8683, 9140, 11248, 11344, 13471, 14060, 14180, 16909, 17366, 18280, 26233, 26942, 28120, 28360, 33818, 34732, 36560, 43415, 52466, 53884, 56240, 56720, 67355, 67636, 69464, 84545, 86830, 104932, 107768, 131165, 134710, 135272, 138928, 169090, 173660, 209864, 215536, 262330, 269420, 270544, 321271, 324013, 338180, 347320, 419728, 498427, 524660, 538840, 642542, 648026, 676360, 694640, 996854, 1049320, 1077680, 1285084, 1296052, 1352720, 1606355, 1620065, 1993708, 2098640, 2492135, 2570168, 2592104, 3212710, 3240130, 3987416, 4984270, 5140336, 5184208, 6156247, 6425420, 6480260, 7974832, 9968540, 11988481, 12312494, 12850840, 12960520, 19937080, 23976962, 24624988, 25701680, 25921040, 30781235, 39874160, 47953924, 49249976, 59942405, 61562470, 95907848, 98499952, 119884810, 123124940, 191815696, 227781139, 239769620, 246249880, 455562278, 479539240, 492499760, 911124556, 959078480, 1138905695, 1822249112, 2277811390, 3644498224, 4555622780, 9111245560, 18222491120]

約数ペア:

[(1, 18222491120), (2, 9111245560), (4, 4555622780), (5, 3644498224), (8, 2277811390), (10, 1822249112), (16, 1138905695), (19, 959078480), (20, 911124556), (37, 492499760), (38, 479539240), (40, 455562278), (74, 246249880), (76, 239769620), (80, 227781139), (95, 191815696), (148, 123124940), (152, 119884810), (185, 98499952), (190, 95907848), (296, 61562470), (304, 59942405), (370, 49249976), (380, 47953924), (457, 39874160), (592, 30781235), (703, 25921040), (709, 25701680), (740, 24624988), (760, 23976962), (914, 19937080), (1406, 12960520), (1418, 12850840), (1480, 12312494), (1520, 11988481), (1828, 9968540), (2285, 7974832), (2812, 6480260), (2836, 6425420), (2960, 6156247), (3515, 5184208), (3545, 5140336), (3656, 4984270), (4570, 3987416), (5624, 3240130), (5672, 3212710), (7030, 2592104), (7090, 2570168), (7312, 2492135), (8683, 2098640), (9140, 1993708), (11248, 1620065), (11344, 1606355), (13471, 1352720), (14060, 1296052), (14180, 1285084), (16909, 1077680), (17366, 1049320), (18280, 996854), (26233, 694640), (26942, 676360), (28120, 648026), (28360, 642542), (33818, 538840), (34732, 524660), (36560, 498427), (43415, 419728), (52466, 347320), (53884, 338180), (56240, 324013), (56720, 321271), (67355, 270544), (67636, 269420), (69464, 262330), (84545, 215536), (86830, 209864), (104932, 173660), (107768, 169090), (131165, 138928), (134710, 135272)]