251482320

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{197}}^2$

素因数の和:419

約数の個数: 150

約数和(自身を含む): 877891542

約数和(自身を除く): 626409222

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 197, 216, 240, 270, 324, 360, 394, 405, 432, 540, 591, 648, 720, 788, 810, 985, 1080, 1182, 1296, 1576, 1620, 1773, 1970, 2160, 2364, 2955, 3152, 3240, 3546, 3940, 4728, 5319, 5910, 6480, 7092, 7880, 8865, 9456, 10638, 11820, 14184, 15760, 15957, 17730, 21276, 23640, 26595, 28368, 31914, 35460, 38809, 42552, 47280, 53190, 63828, 70920, 77618, 79785, 85104, 106380, 116427, 127656, 141840, 155236, 159570, 194045, 212760, 232854, 255312, 310472, 319140, 349281, 388090, 425520, 465708, 582135, 620944, 638280, 698562, 776180, 931416, 1047843, 1164270, 1276560, 1397124, 1552360, 1746405, 1862832, 2095686, 2328540, 2794248, 3104720, 3143529, 3492810, 4191372, 4657080, 5239215, 5588496, 6287058, 6985620, 8382744, 9314160, 10478430, 12574116, 13971240, 15717645, 16765488, 20956860, 25148232, 27942480, 31435290, 41913720, 50296464, 62870580, 83827440, 125741160, 251482320]

約数ペア:

[(1, 251482320), (2, 125741160), (3, 83827440), (4, 62870580), (5, 50296464), (6, 41913720), (8, 31435290), (9, 27942480), (10, 25148232), (12, 20956860), (15, 16765488), (16, 15717645), (18, 13971240), (20, 12574116), (24, 10478430), (27, 9314160), (30, 8382744), (36, 6985620), (40, 6287058), (45, 5588496), (48, 5239215), (54, 4657080), (60, 4191372), (72, 3492810), (80, 3143529), (81, 3104720), (90, 2794248), (108, 2328540), (120, 2095686), (135, 1862832), (144, 1746405), (162, 1552360), (180, 1397124), (197, 1276560), (216, 1164270), (240, 1047843), (270, 931416), (324, 776180), (360, 698562), (394, 638280), (405, 620944), (432, 582135), (540, 465708), (591, 425520), (648, 388090), (720, 349281), (788, 319140), (810, 310472), (985, 255312), (1080, 232854), (1182, 212760), (1296, 194045), (1576, 159570), (1620, 155236), (1773, 141840), (1970, 127656), (2160, 116427), (2364, 106380), (2955, 85104), (3152, 79785), (3240, 77618), (3546, 70920), (3940, 63828), (4728, 53190), (5319, 47280), (5910, 42552), (6480, 38809), (7092, 35460), (7880, 31914), (8865, 28368), (9456, 26595), (10638, 23640), (11820, 21276), (14184, 17730), (15760, 15957)]