123453960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 447897600

約数和(自身を除く): 324443640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 53, 56, 59, 60, 70, 84, 94, 105, 106, 118, 120, 140, 141, 159, 168, 177, 188, 210, 212, 235, 236, 265, 280, 282, 295, 318, 329, 354, 371, 376, 413, 420, 424, 470, 472, 530, 564, 590, 636, 658, 705, 708, 742, 795, 826, 840, 885, 940, 987, 1060, 1113, 1128, 1180, 1239, 1272, 1316, 1410, 1416, 1484, 1590, 1645, 1652, 1770, 1855, 1880, 1974, 2065, 2120, 2226, 2360, 2478, 2491, 2632, 2773, 2820, 2968, 3127, 3180, 3290, 3304, 3540, 3710, 3948, 4130, 4452, 4935, 4956, 4982, 5546, 5565, 5640, 6195, 6254, 6360, 6580, 7080, 7420, 7473, 7896, 8260, 8319, 8904, 9381, 9870, 9912, 9964, 11092, 11130, 12390, 12455, 12508, 13160, 13865, 14840, 14946, 15635, 16520, 16638, 17437, 18762, 19411, 19740, 19928, 21889, 22184, 22260, 24780, 24910, 25016, 27730, 29892, 31270, 33276, 34874, 37365, 37524, 38822, 39480, 41595, 43778, 44520, 46905, 49560, 49820, 52311, 55460, 58233, 59784, 62540, 65667, 66552, 69748, 74730, 75048, 77644, 83190, 87185, 87556, 93810, 97055, 99640, 104622, 109445, 110920, 116466, 125080, 131334, 139496, 146969, 149460, 155288, 166380, 174370, 175112, 187620, 194110, 209244, 218890, 232932, 261555, 262668, 291165, 293938, 298920, 328335, 332760, 348740, 375240, 388220, 418488, 437780, 440907, 465864, 523110, 525336, 582330, 587876, 656670, 697480, 734845, 776440, 875560, 881814, 1028783, 1046220, 1164660, 1175752, 1313340, 1469690, 1763628, 2057566, 2092440, 2204535, 2329320, 2626680, 2939380, 3086349, 3527256, 4115132, 4409070, 5143915, 5878760, 6172698, 8230264, 8818140, 10287830, 12345396, 15431745, 17636280, 20575660, 24690792, 30863490, 41151320, 61726980, 123453960]

約数ペア:

[(1, 123453960), (2, 61726980), (3, 41151320), (4, 30863490), (5, 24690792), (6, 20575660), (7, 17636280), (8, 15431745), (10, 12345396), (12, 10287830), (14, 8818140), (15, 8230264), (20, 6172698), (21, 5878760), (24, 5143915), (28, 4409070), (30, 4115132), (35, 3527256), (40, 3086349), (42, 2939380), (47, 2626680), (53, 2329320), (56, 2204535), (59, 2092440), (60, 2057566), (70, 1763628), (84, 1469690), (94, 1313340), (105, 1175752), (106, 1164660), (118, 1046220), (120, 1028783), (140, 881814), (141, 875560), (159, 776440), (168, 734845), (177, 697480), (188, 656670), (210, 587876), (212, 582330), (235, 525336), (236, 523110), (265, 465864), (280, 440907), (282, 437780), (295, 418488), (318, 388220), (329, 375240), (354, 348740), (371, 332760), (376, 328335), (413, 298920), (420, 293938), (424, 291165), (470, 262668), (472, 261555), (530, 232932), (564, 218890), (590, 209244), (636, 194110), (658, 187620), (705, 175112), (708, 174370), (742, 166380), (795, 155288), (826, 149460), (840, 146969), (885, 139496), (940, 131334), (987, 125080), (1060, 116466), (1113, 110920), (1128, 109445), (1180, 104622), (1239, 99640), (1272, 97055), (1316, 93810), (1410, 87556), (1416, 87185), (1484, 83190), (1590, 77644), (1645, 75048), (1652, 74730), (1770, 69748), (1855, 66552), (1880, 65667), (1974, 62540), (2065, 59784), (2120, 58233), (2226, 55460), (2360, 52311), (2478, 49820), (2491, 49560), (2632, 46905), (2773, 44520), (2820, 43778), (2968, 41595), (3127, 39480), (3180, 38822), (3290, 37524), (3304, 37365), (3540, 34874), (3710, 33276), (3948, 31270), (4130, 29892), (4452, 27730), (4935, 25016), (4956, 24910), (4982, 24780), (5546, 22260), (5565, 22184), (5640, 21889), (6195, 19928), (6254, 19740), (6360, 19411), (6580, 18762), (7080, 17437), (7420, 16638), (7473, 16520), (7896, 15635), (8260, 14946), (8319, 14840), (8904, 13865), (9381, 13160), (9870, 12508), (9912, 12455), (9964, 12390), (11092, 11130)]