128745480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 406840320

約数和(自身を除く): 278094840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 212, 248, 265, 310, 318, 372, 424, 465, 530, 620, 636, 653, 744, 795, 930, 1060, 1240, 1272, 1306, 1590, 1643, 1860, 1959, 2120, 2612, 3180, 3265, 3286, 3720, 3918, 4929, 5224, 6360, 6530, 6572, 7836, 8215, 9795, 9858, 13060, 13144, 15672, 16430, 19590, 19716, 20243, 24645, 26120, 32860, 34609, 39180, 39432, 40486, 49290, 60729, 65720, 69218, 78360, 80972, 98580, 101215, 103827, 121458, 138436, 161944, 173045, 197160, 202430, 207654, 242916, 276872, 303645, 346090, 404860, 415308, 485832, 519135, 607290, 692180, 809720, 830616, 1038270, 1072879, 1214580, 1384360, 2076540, 2145758, 2429160, 3218637, 4153080, 4291516, 5364395, 6437274, 8583032, 10728790, 12874548, 16093185, 21457580, 25749096, 32186370, 42915160, 64372740, 128745480]

約数ペア:

[(1, 128745480), (2, 64372740), (3, 42915160), (4, 32186370), (5, 25749096), (6, 21457580), (8, 16093185), (10, 12874548), (12, 10728790), (15, 8583032), (20, 6437274), (24, 5364395), (30, 4291516), (31, 4153080), (40, 3218637), (53, 2429160), (60, 2145758), (62, 2076540), (93, 1384360), (106, 1214580), (120, 1072879), (124, 1038270), (155, 830616), (159, 809720), (186, 692180), (212, 607290), (248, 519135), (265, 485832), (310, 415308), (318, 404860), (372, 346090), (424, 303645), (465, 276872), (530, 242916), (620, 207654), (636, 202430), (653, 197160), (744, 173045), (795, 161944), (930, 138436), (1060, 121458), (1240, 103827), (1272, 101215), (1306, 98580), (1590, 80972), (1643, 78360), (1860, 69218), (1959, 65720), (2120, 60729), (2612, 49290), (3180, 40486), (3265, 39432), (3286, 39180), (3720, 34609), (3918, 32860), (4929, 26120), (5224, 24645), (6360, 20243), (6530, 19716), (6572, 19590), (7836, 16430), (8215, 15672), (9795, 13144), (9858, 13060)]