78634920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 256

約数和(自身を含む): 306432000

約数和(自身を除く): 227797080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 379, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 758, 760, 780, 798, 840, 910, 988, 1064, 1092, 1137, 1140, 1235, 1330, 1365, 1482, 1516, 1560, 1596, 1729, 1820, 1895, 1976, 1995, 2184, 2274, 2280, 2470, 2653, 2660, 2730, 2964, 3032, 3192, 3458, 3640, 3705, 3790, 3990, 4548, 4927, 4940, 5187, 5306, 5320, 5460, 5685, 5928, 6916, 7201, 7410, 7580, 7959, 7980, 8645, 9096, 9854, 9880, 10374, 10612, 10920, 11370, 13265, 13832, 14402, 14781, 14820, 15160, 15918, 15960, 17290, 19708, 20748, 21224, 21603, 22740, 24635, 25935, 26530, 28804, 29562, 29640, 31836, 34489, 34580, 36005, 39416, 39795, 41496, 43206, 45480, 49270, 50407, 51870, 53060, 57608, 59124, 63672, 68978, 69160, 72010, 73905, 79590, 86412, 93613, 98540, 100814, 103467, 103740, 106120, 108015, 118248, 137956, 144020, 147810, 151221, 159180, 172445, 172824, 187226, 197080, 201628, 206934, 207480, 216030, 252035, 275912, 280839, 288040, 295620, 302442, 318360, 344890, 374452, 403256, 413868, 432060, 468065, 504070, 517335, 561678, 591240, 604884, 655291, 689780, 748904, 756105, 827736, 864120, 936130, 1008140, 1034670, 1123356, 1209768, 1310582, 1379560, 1404195, 1512210, 1872260, 1965873, 2016280, 2069340, 2246712, 2621164, 2808390, 3024420, 3276455, 3744520, 3931746, 4138680, 5242328, 5616780, 6048840, 6552910, 7863492, 9829365, 11233560, 13105820, 15726984, 19658730, 26211640, 39317460, 78634920]

約数ペア:

[(1, 78634920), (2, 39317460), (3, 26211640), (4, 19658730), (5, 15726984), (6, 13105820), (7, 11233560), (8, 9829365), (10, 7863492), (12, 6552910), (13, 6048840), (14, 5616780), (15, 5242328), (19, 4138680), (20, 3931746), (21, 3744520), (24, 3276455), (26, 3024420), (28, 2808390), (30, 2621164), (35, 2246712), (38, 2069340), (39, 2016280), (40, 1965873), (42, 1872260), (52, 1512210), (56, 1404195), (57, 1379560), (60, 1310582), (65, 1209768), (70, 1123356), (76, 1034670), (78, 1008140), (84, 936130), (91, 864120), (95, 827736), (104, 756105), (105, 748904), (114, 689780), (120, 655291), (130, 604884), (133, 591240), (140, 561678), (152, 517335), (156, 504070), (168, 468065), (182, 432060), (190, 413868), (195, 403256), (210, 374452), (228, 344890), (247, 318360), (260, 302442), (266, 295620), (273, 288040), (280, 280839), (285, 275912), (312, 252035), (364, 216030), (379, 207480), (380, 206934), (390, 201628), (399, 197080), (420, 187226), (455, 172824), (456, 172445), (494, 159180), (520, 151221), (532, 147810), (546, 144020), (570, 137956), (665, 118248), (728, 108015), (741, 106120), (758, 103740), (760, 103467), (780, 100814), (798, 98540), (840, 93613), (910, 86412), (988, 79590), (1064, 73905), (1092, 72010), (1137, 69160), (1140, 68978), (1235, 63672), (1330, 59124), (1365, 57608), (1482, 53060), (1516, 51870), (1560, 50407), (1596, 49270), (1729, 45480), (1820, 43206), (1895, 41496), (1976, 39795), (1995, 39416), (2184, 36005), (2274, 34580), (2280, 34489), (2470, 31836), (2653, 29640), (2660, 29562), (2730, 28804), (2964, 26530), (3032, 25935), (3192, 24635), (3458, 22740), (3640, 21603), (3705, 21224), (3790, 20748), (3990, 19708), (4548, 17290), (4927, 15960), (4940, 15918), (5187, 15160), (5306, 14820), (5320, 14781), (5460, 14402), (5685, 13832), (5928, 13265), (6916, 11370), (7201, 10920), (7410, 10612), (7580, 10374), (7959, 9880), (7980, 9854), (8645, 9096)]