644851920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{593}}^1$

素因数の和:829

約数の個数: 160

約数和(自身を含む): 2100079872

約数和(自身を除く): 1455227952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 197, 230, 240, 276, 345, 368, 394, 460, 552, 591, 593, 690, 788, 920, 985, 1104, 1182, 1186, 1380, 1576, 1779, 1840, 1970, 2364, 2372, 2760, 2955, 2965, 3152, 3558, 3940, 4531, 4728, 4744, 5520, 5910, 5930, 7116, 7880, 8895, 9062, 9456, 9488, 11820, 11860, 13593, 13639, 14232, 15760, 17790, 18124, 22655, 23640, 23720, 27186, 27278, 28464, 35580, 36248, 40917, 45310, 47280, 47440, 54372, 54556, 67965, 68195, 71160, 72496, 81834, 90620, 108744, 109112, 116821, 135930, 136390, 142320, 163668, 181240, 204585, 217488, 218224, 233642, 271860, 272780, 327336, 350463, 362480, 409170, 467284, 543720, 545560, 584105, 654672, 700926, 818340, 934568, 1087440, 1091120, 1168210, 1401852, 1636680, 1752315, 1869136, 2336420, 2686883, 2803704, 3273360, 3504630, 4672840, 5373766, 5607408, 7009260, 8060649, 9345680, 10747532, 13434415, 14018520, 16121298, 21495064, 26868830, 28037040, 32242596, 40303245, 42990128, 53737660, 64485192, 80606490, 107475320, 128970384, 161212980, 214950640, 322425960, 644851920]

約数ペア:

[(1, 644851920), (2, 322425960), (3, 214950640), (4, 161212980), (5, 128970384), (6, 107475320), (8, 80606490), (10, 64485192), (12, 53737660), (15, 42990128), (16, 40303245), (20, 32242596), (23, 28037040), (24, 26868830), (30, 21495064), (40, 16121298), (46, 14018520), (48, 13434415), (60, 10747532), (69, 9345680), (80, 8060649), (92, 7009260), (115, 5607408), (120, 5373766), (138, 4672840), (184, 3504630), (197, 3273360), (230, 2803704), (240, 2686883), (276, 2336420), (345, 1869136), (368, 1752315), (394, 1636680), (460, 1401852), (552, 1168210), (591, 1091120), (593, 1087440), (690, 934568), (788, 818340), (920, 700926), (985, 654672), (1104, 584105), (1182, 545560), (1186, 543720), (1380, 467284), (1576, 409170), (1779, 362480), (1840, 350463), (1970, 327336), (2364, 272780), (2372, 271860), (2760, 233642), (2955, 218224), (2965, 217488), (3152, 204585), (3558, 181240), (3940, 163668), (4531, 142320), (4728, 136390), (4744, 135930), (5520, 116821), (5910, 109112), (5930, 108744), (7116, 90620), (7880, 81834), (8895, 72496), (9062, 71160), (9456, 68195), (9488, 67965), (11820, 54556), (11860, 54372), (13593, 47440), (13639, 47280), (14232, 45310), (15760, 40917), (17790, 36248), (18124, 35580), (22655, 28464), (23640, 27278), (23720, 27186)]