128204940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73681}}^1$

素因数の和:73722

約数の個数: 48

約数和(自身を含む): 371357280

約数和(自身を除く): 243152340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 73681, 147362, 221043, 294724, 368405, 442086, 736810, 884172, 1105215, 1473620, 2136749, 2210430, 4273498, 4420860, 6410247, 8546996, 10683745, 12820494, 21367490, 25640988, 32051235, 42734980, 64102470, 128204940]

約数ペア:

[(1, 128204940), (2, 64102470), (3, 42734980), (4, 32051235), (5, 25640988), (6, 21367490), (10, 12820494), (12, 10683745), (15, 8546996), (20, 6410247), (29, 4420860), (30, 4273498), (58, 2210430), (60, 2136749), (87, 1473620), (116, 1105215), (145, 884172), (174, 736810), (290, 442086), (348, 368405), (435, 294724), (580, 221043), (870, 147362), (1740, 73681)]