278247480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:706

約数の個数: 192

約数和(自身を含む): 984960000

約数和(自身を除く): 706712520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 79, 84, 98, 105, 120, 140, 147, 158, 168, 196, 210, 237, 245, 280, 294, 316, 392, 395, 420, 474, 490, 553, 588, 599, 632, 735, 790, 840, 948, 980, 1106, 1176, 1185, 1198, 1470, 1580, 1659, 1797, 1896, 1960, 2212, 2370, 2396, 2765, 2940, 2995, 3160, 3318, 3594, 3871, 4193, 4424, 4740, 4792, 5530, 5880, 5990, 6636, 7188, 7742, 8295, 8386, 8985, 9480, 11060, 11613, 11980, 12579, 13272, 14376, 15484, 16590, 16772, 17970, 19355, 20965, 22120, 23226, 23960, 25158, 29351, 30968, 33180, 33544, 35940, 38710, 41930, 46452, 47321, 50316, 58065, 58702, 62895, 66360, 71880, 77420, 83860, 88053, 92904, 94642, 100632, 116130, 117404, 125790, 141963, 146755, 154840, 167720, 176106, 189284, 232260, 234808, 236605, 251580, 283926, 293510, 331247, 352212, 378568, 440265, 464520, 473210, 503160, 567852, 587020, 662494, 704424, 709815, 880530, 946420, 993741, 1135704, 1174040, 1324988, 1419630, 1656235, 1761060, 1892840, 1987482, 2318729, 2649976, 2839260, 3312470, 3522120, 3974964, 4637458, 4968705, 5678520, 6624940, 6956187, 7949928, 9274916, 9937410, 11593645, 13249880, 13912374, 18549832, 19874820, 23187290, 27824748, 34780935, 39749640, 46374580, 55649496, 69561870, 92749160, 139123740, 278247480]

約数ペア:

[(1, 278247480), (2, 139123740), (3, 92749160), (4, 69561870), (5, 55649496), (6, 46374580), (7, 39749640), (8, 34780935), (10, 27824748), (12, 23187290), (14, 19874820), (15, 18549832), (20, 13912374), (21, 13249880), (24, 11593645), (28, 9937410), (30, 9274916), (35, 7949928), (40, 6956187), (42, 6624940), (49, 5678520), (56, 4968705), (60, 4637458), (70, 3974964), (79, 3522120), (84, 3312470), (98, 2839260), (105, 2649976), (120, 2318729), (140, 1987482), (147, 1892840), (158, 1761060), (168, 1656235), (196, 1419630), (210, 1324988), (237, 1174040), (245, 1135704), (280, 993741), (294, 946420), (316, 880530), (392, 709815), (395, 704424), (420, 662494), (474, 587020), (490, 567852), (553, 503160), (588, 473210), (599, 464520), (632, 440265), (735, 378568), (790, 352212), (840, 331247), (948, 293510), (980, 283926), (1106, 251580), (1176, 236605), (1185, 234808), (1198, 232260), (1470, 189284), (1580, 176106), (1659, 167720), (1797, 154840), (1896, 146755), (1960, 141963), (2212, 125790), (2370, 117404), (2396, 116130), (2765, 100632), (2940, 94642), (2995, 92904), (3160, 88053), (3318, 83860), (3594, 77420), (3871, 71880), (4193, 66360), (4424, 62895), (4740, 58702), (4792, 58065), (5530, 50316), (5880, 47321), (5990, 46452), (6636, 41930), (7188, 38710), (7742, 35940), (8295, 33544), (8386, 33180), (8985, 30968), (9480, 29351), (11060, 25158), (11613, 23960), (11980, 23226), (12579, 22120), (13272, 20965), (14376, 19355), (15484, 17970), (16590, 16772)]