399427560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5168

約数の個数: 192

約数和(自身を含む): 1531745280

約数和(自身を除く): 1132317720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5113, 5208, 5580, 6510, 7812, 8680, 9765, 10226, 11160, 13020, 15339, 15624, 19530, 20452, 25565, 26040, 30678, 35791, 39060, 40904, 46017, 51130, 61356, 71582, 76695, 78120, 92034, 102260, 107373, 122712, 143164, 153390, 158503, 178955, 184068, 204520, 214746, 230085, 286328, 306780, 317006, 322119, 357910, 368136, 429492, 460170, 475509, 536865, 613560, 634012, 644238, 715820, 792515, 858984, 920340, 951018, 1073730, 1109521, 1268024, 1288476, 1426527, 1431640, 1585030, 1610595, 1840680, 1902036, 2147460, 2219042, 2377545, 2576952, 2853054, 3170060, 3221190, 3328563, 3804072, 4294920, 4438084, 4755090, 5547605, 5706108, 6340120, 6442380, 6657126, 7132635, 8876168, 9510180, 9985689, 11095210, 11412216, 12884760, 13314252, 14265270, 16642815, 19020360, 19971378, 22190420, 26628504, 28530540, 33285630, 39942756, 44380840, 49928445, 57061080, 66571260, 79885512, 99856890, 133142520, 199713780, 399427560]

約数ペア:

[(1, 399427560), (2, 199713780), (3, 133142520), (4, 99856890), (5, 79885512), (6, 66571260), (7, 57061080), (8, 49928445), (9, 44380840), (10, 39942756), (12, 33285630), (14, 28530540), (15, 26628504), (18, 22190420), (20, 19971378), (21, 19020360), (24, 16642815), (28, 14265270), (30, 13314252), (31, 12884760), (35, 11412216), (36, 11095210), (40, 9985689), (42, 9510180), (45, 8876168), (56, 7132635), (60, 6657126), (62, 6442380), (63, 6340120), (70, 5706108), (72, 5547605), (84, 4755090), (90, 4438084), (93, 4294920), (105, 3804072), (120, 3328563), (124, 3221190), (126, 3170060), (140, 2853054), (155, 2576952), (168, 2377545), (180, 2219042), (186, 2147460), (210, 1902036), (217, 1840680), (248, 1610595), (252, 1585030), (279, 1431640), (280, 1426527), (310, 1288476), (315, 1268024), (360, 1109521), (372, 1073730), (420, 951018), (434, 920340), (465, 858984), (504, 792515), (558, 715820), (620, 644238), (630, 634012), (651, 613560), (744, 536865), (840, 475509), (868, 460170), (930, 429492), (1085, 368136), (1116, 357910), (1240, 322119), (1260, 317006), (1302, 306780), (1395, 286328), (1736, 230085), (1860, 214746), (1953, 204520), (2170, 184068), (2232, 178955), (2520, 158503), (2604, 153390), (2790, 143164), (3255, 122712), (3720, 107373), (3906, 102260), (4340, 92034), (5113, 78120), (5208, 76695), (5580, 71582), (6510, 61356), (7812, 51130), (8680, 46017), (9765, 40904), (10226, 39060), (11160, 35791), (13020, 30678), (15339, 26040), (15624, 25565), (19530, 20452)]