128535840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89261}}^1$

素因数の和:89282

約数の個数: 72

約数和(自身を含む): 438633468

約数和(自身を除く): 310097628

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89261, 178522, 267783, 357044, 446305, 535566, 714088, 803349, 892610, 1071132, 1338915, 1428176, 1606698, 1785220, 2142264, 2677830, 2856352, 3213396, 3570440, 4016745, 4284528, 5355660, 6426792, 7140880, 8033490, 8569056, 10711320, 12853584, 14281760, 16066980, 21422640, 25707168, 32133960, 42845280, 64267920, 128535840]

約数ペア:

[(1, 128535840), (2, 64267920), (3, 42845280), (4, 32133960), (5, 25707168), (6, 21422640), (8, 16066980), (9, 14281760), (10, 12853584), (12, 10711320), (15, 8569056), (16, 8033490), (18, 7140880), (20, 6426792), (24, 5355660), (30, 4284528), (32, 4016745), (36, 3570440), (40, 3213396), (45, 2856352), (48, 2677830), (60, 2142264), (72, 1785220), (80, 1606698), (90, 1428176), (96, 1338915), (120, 1071132), (144, 892610), (160, 803349), (180, 714088), (240, 535566), (288, 446305), (360, 357044), (480, 267783), (720, 178522), (1440, 89261)]