78715280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 223914240

約数和(自身を除く): 145198960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 37, 40, 56, 58, 70, 74, 80, 112, 116, 131, 140, 145, 148, 185, 203, 232, 259, 262, 280, 290, 296, 370, 406, 464, 518, 524, 560, 580, 592, 655, 740, 812, 917, 1015, 1036, 1048, 1073, 1160, 1295, 1310, 1480, 1624, 1834, 2030, 2072, 2096, 2146, 2320, 2590, 2620, 2960, 3248, 3668, 3799, 4060, 4144, 4292, 4585, 4847, 5180, 5240, 5365, 7336, 7511, 7598, 8120, 8584, 9170, 9694, 10360, 10480, 10730, 14672, 15022, 15196, 16240, 17168, 18340, 18995, 19388, 20720, 21460, 24235, 26593, 30044, 30392, 33929, 36680, 37555, 37990, 38776, 42920, 48470, 53186, 60088, 60784, 67858, 73360, 75110, 75980, 77552, 85840, 96940, 106372, 120176, 132965, 135716, 140563, 150220, 151960, 169645, 193880, 212744, 265930, 271432, 281126, 300440, 303920, 339290, 387760, 425488, 531860, 542864, 562252, 600880, 678580, 702815, 983941, 1063720, 1124504, 1357160, 1405630, 1967882, 2127440, 2249008, 2714320, 2811260, 3935764, 4919705, 5622520, 7871528, 9839410, 11245040, 15743056, 19678820, 39357640, 78715280]

約数ペア:

[(1, 78715280), (2, 39357640), (4, 19678820), (5, 15743056), (7, 11245040), (8, 9839410), (10, 7871528), (14, 5622520), (16, 4919705), (20, 3935764), (28, 2811260), (29, 2714320), (35, 2249008), (37, 2127440), (40, 1967882), (56, 1405630), (58, 1357160), (70, 1124504), (74, 1063720), (80, 983941), (112, 702815), (116, 678580), (131, 600880), (140, 562252), (145, 542864), (148, 531860), (185, 425488), (203, 387760), (232, 339290), (259, 303920), (262, 300440), (280, 281126), (290, 271432), (296, 265930), (370, 212744), (406, 193880), (464, 169645), (518, 151960), (524, 150220), (560, 140563), (580, 135716), (592, 132965), (655, 120176), (740, 106372), (812, 96940), (917, 85840), (1015, 77552), (1036, 75980), (1048, 75110), (1073, 73360), (1160, 67858), (1295, 60784), (1310, 60088), (1480, 53186), (1624, 48470), (1834, 42920), (2030, 38776), (2072, 37990), (2096, 37555), (2146, 36680), (2320, 33929), (2590, 30392), (2620, 30044), (2960, 26593), (3248, 24235), (3668, 21460), (3799, 20720), (4060, 19388), (4144, 18995), (4292, 18340), (4585, 17168), (4847, 16240), (5180, 15196), (5240, 15022), (5365, 14672), (7336, 10730), (7511, 10480), (7598, 10360), (8120, 9694), (8584, 9170)]