156905920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28843}}^1$

素因数の和:28877

約数の個数: 56

約数和(自身を含む): 395624304

約数和(自身を除く): 238718384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 28843, 57686, 115372, 144215, 230744, 288430, 461488, 490331, 576860, 922976, 980662, 1153720, 1845952, 1961324, 2307440, 2451655, 3922648, 4614880, 4903310, 7845296, 9229760, 9806620, 15690592, 19613240, 31381184, 39226480, 78452960, 156905920]

約数ペア:

[(1, 156905920), (2, 78452960), (4, 39226480), (5, 31381184), (8, 19613240), (10, 15690592), (16, 9806620), (17, 9229760), (20, 7845296), (32, 4903310), (34, 4614880), (40, 3922648), (64, 2451655), (68, 2307440), (80, 1961324), (85, 1845952), (136, 1153720), (160, 980662), (170, 922976), (272, 576860), (320, 490331), (340, 461488), (544, 288430), (680, 230744), (1088, 144215), (1360, 115372), (2720, 57686), (5440, 28843)]