638334720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{55411}}^1$

素因数の和:55438

約数の個数: 108

約数和(自身を含む): 2208611496

約数和(自身を除く): 1570276776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 55411, 110822, 166233, 221644, 277055, 332466, 443288, 498699, 554110, 664932, 831165, 886576, 997398, 1108220, 1329864, 1662330, 1773152, 1994796, 2216440, 2493495, 2659728, 3324660, 3546304, 3989592, 4432880, 4986990, 5319456, 6649320, 7092608, 7979184, 8865760, 9973980, 10638912, 13298640, 14185216, 15958368, 17731520, 19947960, 21277824, 26597280, 31916736, 35463040, 39895920, 42555648, 53194560, 63833472, 70926080, 79791840, 106389120, 127666944, 159583680, 212778240, 319167360, 638334720]

約数ペア:

[(1, 638334720), (2, 319167360), (3, 212778240), (4, 159583680), (5, 127666944), (6, 106389120), (8, 79791840), (9, 70926080), (10, 63833472), (12, 53194560), (15, 42555648), (16, 39895920), (18, 35463040), (20, 31916736), (24, 26597280), (30, 21277824), (32, 19947960), (36, 17731520), (40, 15958368), (45, 14185216), (48, 13298640), (60, 10638912), (64, 9973980), (72, 8865760), (80, 7979184), (90, 7092608), (96, 6649320), (120, 5319456), (128, 4986990), (144, 4432880), (160, 3989592), (180, 3546304), (192, 3324660), (240, 2659728), (256, 2493495), (288, 2216440), (320, 1994796), (360, 1773152), (384, 1662330), (480, 1329864), (576, 1108220), (640, 997398), (720, 886576), (768, 831165), (960, 664932), (1152, 554110), (1280, 498699), (1440, 443288), (1920, 332466), (2304, 277055), (2880, 221644), (3840, 166233), (5760, 110822), (11520, 55411)]