156557440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 128

約数和(自身を含む): 416747520

約数和(自身を除く): 260190080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 607, 620, 640, 806, 832, 992, 1040, 1214, 1240, 1612, 1664, 1984, 2015, 2080, 2428, 2480, 3035, 3224, 3968, 4030, 4160, 4856, 4960, 6070, 6448, 7891, 8060, 8320, 9712, 9920, 12140, 12896, 15782, 16120, 18817, 19424, 19840, 24280, 25792, 31564, 32240, 37634, 38848, 39455, 48560, 51584, 63128, 64480, 75268, 77696, 78910, 94085, 97120, 126256, 128960, 150536, 157820, 188170, 194240, 244621, 252512, 257920, 301072, 315640, 376340, 388480, 489242, 505024, 602144, 631280, 752680, 978484, 1010048, 1204288, 1223105, 1262560, 1505360, 1956968, 2408576, 2446210, 2525120, 3010720, 3913936, 4892420, 5050240, 6021440, 7827872, 9784840, 12042880, 15655744, 19569680, 31311488, 39139360, 78278720, 156557440]

約数ペア:

[(1, 156557440), (2, 78278720), (4, 39139360), (5, 31311488), (8, 19569680), (10, 15655744), (13, 12042880), (16, 9784840), (20, 7827872), (26, 6021440), (31, 5050240), (32, 4892420), (40, 3913936), (52, 3010720), (62, 2525120), (64, 2446210), (65, 2408576), (80, 1956968), (104, 1505360), (124, 1262560), (128, 1223105), (130, 1204288), (155, 1010048), (160, 978484), (208, 752680), (248, 631280), (260, 602144), (310, 505024), (320, 489242), (403, 388480), (416, 376340), (496, 315640), (520, 301072), (607, 257920), (620, 252512), (640, 244621), (806, 194240), (832, 188170), (992, 157820), (1040, 150536), (1214, 128960), (1240, 126256), (1612, 97120), (1664, 94085), (1984, 78910), (2015, 77696), (2080, 75268), (2428, 64480), (2480, 63128), (3035, 51584), (3224, 48560), (3968, 39455), (4030, 38848), (4160, 37634), (4856, 32240), (4960, 31564), (6070, 25792), (6448, 24280), (7891, 19840), (8060, 19424), (8320, 18817), (9712, 16120), (9920, 15782), (12140, 12896)]