388435441920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{228341}}^1$

素因数の和:228808

約数の個数: 144

約数和(自身を含む): 1243371511872

約数和(自身を除く): 854936069952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 443, 480, 640, 768, 886, 960, 1280, 1329, 1772, 1920, 2215, 2658, 3544, 3840, 4430, 5316, 6645, 7088, 8860, 10632, 13290, 14176, 17720, 21264, 26580, 28352, 35440, 42528, 53160, 56704, 70880, 85056, 106320, 113408, 141760, 170112, 212640, 228341, 283520, 340224, 425280, 456682, 567040, 685023, 850560, 913364, 1141705, 1370046, 1701120, 1826728, 2283410, 2740092, 3425115, 3653456, 4566820, 5480184, 6850230, 7306912, 9133640, 10960368, 13700460, 14613824, 18267280, 21920736, 27400920, 29227648, 36534560, 43841472, 54801840, 58455296, 73069120, 87682944, 101155063, 109603680, 146138240, 175365888, 202310126, 219207360, 292276480, 303465189, 404620252, 438414720, 505775315, 606930378, 809240504, 876829440, 1011550630, 1213860756, 1517325945, 1618481008, 2023101260, 2427721512, 3034651890, 3236962016, 4046202520, 4855443024, 6069303780, 6473924032, 8092405040, 9710886048, 12138607560, 12947848064, 16184810080, 19421772096, 24277215120, 25895696128, 32369620160, 38843544192, 48554430240, 64739240320, 77687088384, 97108860480, 129478480640, 194217720960, 388435441920]

約数ペア:

[(1, 388435441920), (2, 194217720960), (3, 129478480640), (4, 97108860480), (5, 77687088384), (6, 64739240320), (8, 48554430240), (10, 38843544192), (12, 32369620160), (15, 25895696128), (16, 24277215120), (20, 19421772096), (24, 16184810080), (30, 12947848064), (32, 12138607560), (40, 9710886048), (48, 8092405040), (60, 6473924032), (64, 6069303780), (80, 4855443024), (96, 4046202520), (120, 3236962016), (128, 3034651890), (160, 2427721512), (192, 2023101260), (240, 1618481008), (256, 1517325945), (320, 1213860756), (384, 1011550630), (443, 876829440), (480, 809240504), (640, 606930378), (768, 505775315), (886, 438414720), (960, 404620252), (1280, 303465189), (1329, 292276480), (1772, 219207360), (1920, 202310126), (2215, 175365888), (2658, 146138240), (3544, 109603680), (3840, 101155063), (4430, 87682944), (5316, 73069120), (6645, 58455296), (7088, 54801840), (8860, 43841472), (10632, 36534560), (13290, 29227648), (14176, 27400920), (17720, 21920736), (21264, 18267280), (26580, 14613824), (28352, 13700460), (35440, 10960368), (42528, 9133640), (53160, 7306912), (56704, 6850230), (70880, 5480184), (85056, 4566820), (106320, 3653456), (113408, 3425115), (141760, 2740092), (170112, 2283410), (212640, 1826728), (228341, 1701120), (283520, 1370046), (340224, 1141705), (425280, 913364), (456682, 850560), (567040, 685023)]