158749760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1292

約数の個数: 112

約数和(自身を含む): 420575232

約数和(自身を除く): 261825472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1231, 1240, 1612, 1984, 2015, 2080, 2462, 2480, 3224, 4030, 4160, 4924, 4960, 6155, 6448, 8060, 9848, 9920, 12310, 12896, 16003, 16120, 19696, 24620, 25792, 32006, 32240, 38161, 39392, 49240, 64012, 64480, 76322, 78784, 80015, 98480, 128024, 128960, 152644, 160030, 190805, 196960, 256048, 305288, 320060, 381610, 393920, 496093, 512096, 610576, 640120, 763220, 992186, 1024192, 1221152, 1280240, 1526440, 1984372, 2442304, 2480465, 2560480, 3052880, 3968744, 4960930, 5120960, 6105760, 7937488, 9921860, 12211520, 15874976, 19843720, 31749952, 39687440, 79374880, 158749760]

約数ペア:

[(1, 158749760), (2, 79374880), (4, 39687440), (5, 31749952), (8, 19843720), (10, 15874976), (13, 12211520), (16, 9921860), (20, 7937488), (26, 6105760), (31, 5120960), (32, 4960930), (40, 3968744), (52, 3052880), (62, 2560480), (64, 2480465), (65, 2442304), (80, 1984372), (104, 1526440), (124, 1280240), (130, 1221152), (155, 1024192), (160, 992186), (208, 763220), (248, 640120), (260, 610576), (310, 512096), (320, 496093), (403, 393920), (416, 381610), (496, 320060), (520, 305288), (620, 256048), (806, 196960), (832, 190805), (992, 160030), (1040, 152644), (1231, 128960), (1240, 128024), (1612, 98480), (1984, 80015), (2015, 78784), (2080, 76322), (2462, 64480), (2480, 64012), (3224, 49240), (4030, 39392), (4160, 38161), (4924, 32240), (4960, 32006), (6155, 25792), (6448, 24620), (8060, 19696), (9848, 16120), (9920, 16003), (12310, 12896)]