209523120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 674956800

約数和(自身を除く): 465433680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 107, 120, 123, 164, 199, 205, 214, 240, 246, 321, 328, 398, 410, 428, 492, 535, 597, 615, 642, 656, 796, 820, 856, 984, 995, 1070, 1194, 1230, 1284, 1592, 1605, 1640, 1712, 1968, 1990, 2140, 2388, 2460, 2568, 2985, 3184, 3210, 3280, 3980, 4280, 4387, 4776, 4920, 5136, 5970, 6420, 7960, 8159, 8560, 8774, 9552, 9840, 11940, 12840, 13161, 15920, 16318, 17548, 21293, 21935, 23880, 24477, 25680, 26322, 32636, 35096, 40795, 42586, 43870, 47760, 48954, 52644, 63879, 65272, 65805, 70192, 81590, 85172, 87740, 97908, 105288, 106465, 122385, 127758, 130544, 131610, 163180, 170344, 175480, 195816, 210576, 212930, 244770, 255516, 263220, 319395, 326360, 340688, 350960, 391632, 425860, 489540, 511032, 526440, 638790, 652720, 851720, 873013, 979080, 1022064, 1052880, 1277580, 1703440, 1746026, 1958160, 2555160, 2619039, 3492052, 4365065, 5110320, 5238078, 6984104, 8730130, 10476156, 13095195, 13968208, 17460260, 20952312, 26190390, 34920520, 41904624, 52380780, 69841040, 104761560, 209523120]

約数ペア:

[(1, 209523120), (2, 104761560), (3, 69841040), (4, 52380780), (5, 41904624), (6, 34920520), (8, 26190390), (10, 20952312), (12, 17460260), (15, 13968208), (16, 13095195), (20, 10476156), (24, 8730130), (30, 6984104), (40, 5238078), (41, 5110320), (48, 4365065), (60, 3492052), (80, 2619039), (82, 2555160), (107, 1958160), (120, 1746026), (123, 1703440), (164, 1277580), (199, 1052880), (205, 1022064), (214, 979080), (240, 873013), (246, 851720), (321, 652720), (328, 638790), (398, 526440), (410, 511032), (428, 489540), (492, 425860), (535, 391632), (597, 350960), (615, 340688), (642, 326360), (656, 319395), (796, 263220), (820, 255516), (856, 244770), (984, 212930), (995, 210576), (1070, 195816), (1194, 175480), (1230, 170344), (1284, 163180), (1592, 131610), (1605, 130544), (1640, 127758), (1712, 122385), (1968, 106465), (1990, 105288), (2140, 97908), (2388, 87740), (2460, 85172), (2568, 81590), (2985, 70192), (3184, 65805), (3210, 65272), (3280, 63879), (3980, 52644), (4280, 48954), (4387, 47760), (4776, 43870), (4920, 42586), (5136, 40795), (5970, 35096), (6420, 32636), (7960, 26322), (8159, 25680), (8560, 24477), (8774, 23880), (9552, 21935), (9840, 21293), (11940, 17548), (12840, 16318), (13161, 15920)]