129915540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37987}}^1$

素因数の和:38021

約数の個数: 72

約数和(自身を含む): 414828960

約数和(自身を除く): 284913420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 37987, 75974, 113961, 151948, 189935, 227922, 341883, 379870, 455844, 569805, 683766, 721753, 759740, 1139610, 1367532, 1443506, 1709415, 2165259, 2279220, 2887012, 3418830, 3608765, 4330518, 6495777, 6837660, 7217530, 8661036, 10826295, 12991554, 14435060, 21652590, 25983108, 32478885, 43305180, 64957770, 129915540]

約数ペア:

[(1, 129915540), (2, 64957770), (3, 43305180), (4, 32478885), (5, 25983108), (6, 21652590), (9, 14435060), (10, 12991554), (12, 10826295), (15, 8661036), (18, 7217530), (19, 6837660), (20, 6495777), (30, 4330518), (36, 3608765), (38, 3418830), (45, 2887012), (57, 2279220), (60, 2165259), (76, 1709415), (90, 1443506), (95, 1367532), (114, 1139610), (171, 759740), (180, 721753), (190, 683766), (228, 569805), (285, 455844), (342, 379870), (380, 341883), (570, 227922), (684, 189935), (855, 151948), (1140, 113961), (1710, 75974), (3420, 37987)]