77917440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 252540288

約数和(自身を除く): 174622848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 197, 206, 240, 256, 309, 320, 384, 394, 412, 480, 515, 591, 618, 640, 768, 788, 824, 960, 985, 1030, 1182, 1236, 1280, 1545, 1576, 1648, 1920, 1970, 2060, 2364, 2472, 2955, 3090, 3152, 3296, 3840, 3940, 4120, 4728, 4944, 5910, 6180, 6304, 6592, 7880, 8240, 9456, 9888, 11820, 12360, 12608, 13184, 15760, 16480, 18912, 19776, 20291, 23640, 24720, 25216, 26368, 31520, 32960, 37824, 39552, 40582, 47280, 49440, 50432, 60873, 63040, 65920, 75648, 79104, 81164, 94560, 98880, 101455, 121746, 126080, 131840, 151296, 162328, 189120, 197760, 202910, 243492, 252160, 304365, 324656, 378240, 395520, 405820, 486984, 608730, 649312, 756480, 811640, 973968, 1217460, 1298624, 1623280, 1947936, 2434920, 2597248, 3246560, 3895872, 4869840, 5194496, 6493120, 7791744, 9739680, 12986240, 15583488, 19479360, 25972480, 38958720, 77917440]

約数ペア:

[(1, 77917440), (2, 38958720), (3, 25972480), (4, 19479360), (5, 15583488), (6, 12986240), (8, 9739680), (10, 7791744), (12, 6493120), (15, 5194496), (16, 4869840), (20, 3895872), (24, 3246560), (30, 2597248), (32, 2434920), (40, 1947936), (48, 1623280), (60, 1298624), (64, 1217460), (80, 973968), (96, 811640), (103, 756480), (120, 649312), (128, 608730), (160, 486984), (192, 405820), (197, 395520), (206, 378240), (240, 324656), (256, 304365), (309, 252160), (320, 243492), (384, 202910), (394, 197760), (412, 189120), (480, 162328), (515, 151296), (591, 131840), (618, 126080), (640, 121746), (768, 101455), (788, 98880), (824, 94560), (960, 81164), (985, 79104), (1030, 75648), (1182, 65920), (1236, 63040), (1280, 60873), (1545, 50432), (1576, 49440), (1648, 47280), (1920, 40582), (1970, 39552), (2060, 37824), (2364, 32960), (2472, 31520), (2955, 26368), (3090, 25216), (3152, 24720), (3296, 23640), (3840, 20291), (3940, 19776), (4120, 18912), (4728, 16480), (4944, 15760), (5910, 13184), (6180, 12608), (6304, 12360), (6592, 11820), (7880, 9888), (8240, 9456)]