78134720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:358

約数の個数: 112

約数和(自身を含む): 201460608

約数和(自身を除く): 123325888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 136, 160, 170, 212, 265, 271, 272, 320, 340, 424, 530, 542, 544, 680, 848, 901, 1060, 1084, 1088, 1355, 1360, 1696, 1802, 2120, 2168, 2710, 2720, 3392, 3604, 4240, 4336, 4505, 4607, 5420, 5440, 7208, 8480, 8672, 9010, 9214, 10840, 14363, 14416, 16960, 17344, 18020, 18428, 21680, 23035, 28726, 28832, 36040, 36856, 43360, 46070, 57452, 57664, 71815, 72080, 73712, 86720, 92140, 114904, 143630, 144160, 147424, 184280, 229808, 244171, 287260, 288320, 294848, 368560, 459616, 488342, 574520, 737120, 919232, 976684, 1149040, 1220855, 1474240, 1953368, 2298080, 2441710, 3906736, 4596160, 4883420, 7813472, 9766840, 15626944, 19533680, 39067360, 78134720]

約数ペア:

[(1, 78134720), (2, 39067360), (4, 19533680), (5, 15626944), (8, 9766840), (10, 7813472), (16, 4883420), (17, 4596160), (20, 3906736), (32, 2441710), (34, 2298080), (40, 1953368), (53, 1474240), (64, 1220855), (68, 1149040), (80, 976684), (85, 919232), (106, 737120), (136, 574520), (160, 488342), (170, 459616), (212, 368560), (265, 294848), (271, 288320), (272, 287260), (320, 244171), (340, 229808), (424, 184280), (530, 147424), (542, 144160), (544, 143630), (680, 114904), (848, 92140), (901, 86720), (1060, 73712), (1084, 72080), (1088, 71815), (1355, 57664), (1360, 57452), (1696, 46070), (1802, 43360), (2120, 36856), (2168, 36040), (2710, 28832), (2720, 28726), (3392, 23035), (3604, 21680), (4240, 18428), (4336, 18020), (4505, 17344), (4607, 16960), (5420, 14416), (5440, 14363), (7208, 10840), (8480, 9214), (8672, 9010)]