71496040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 131716760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 139, 140, 154, 167, 220, 278, 280, 308, 334, 385, 440, 556, 616, 668, 695, 770, 835, 973, 1112, 1169, 1336, 1390, 1529, 1540, 1670, 1837, 1946, 2338, 2780, 3058, 3080, 3340, 3674, 3892, 4676, 4865, 5560, 5845, 6116, 6680, 7348, 7645, 7784, 9185, 9352, 9730, 10703, 11690, 12232, 12859, 14696, 15290, 18370, 19460, 21406, 23213, 23380, 25718, 30580, 36740, 38920, 42812, 46426, 46760, 51436, 53515, 61160, 64295, 73480, 85624, 92852, 102872, 107030, 116065, 128590, 162491, 185704, 214060, 232130, 255343, 257180, 324982, 428120, 464260, 510686, 514360, 649964, 812455, 928520, 1021372, 1276715, 1299928, 1624910, 1787401, 2042744, 2553430, 3249820, 3574802, 5106860, 6499640, 7149604, 8937005, 10213720, 14299208, 17874010, 35748020, 71496040]

約数ペア:

[(1, 71496040), (2, 35748020), (4, 17874010), (5, 14299208), (7, 10213720), (8, 8937005), (10, 7149604), (11, 6499640), (14, 5106860), (20, 3574802), (22, 3249820), (28, 2553430), (35, 2042744), (40, 1787401), (44, 1624910), (55, 1299928), (56, 1276715), (70, 1021372), (77, 928520), (88, 812455), (110, 649964), (139, 514360), (140, 510686), (154, 464260), (167, 428120), (220, 324982), (278, 257180), (280, 255343), (308, 232130), (334, 214060), (385, 185704), (440, 162491), (556, 128590), (616, 116065), (668, 107030), (695, 102872), (770, 92852), (835, 85624), (973, 73480), (1112, 64295), (1169, 61160), (1336, 53515), (1390, 51436), (1529, 46760), (1540, 46426), (1670, 42812), (1837, 38920), (1946, 36740), (2338, 30580), (2780, 25718), (3058, 23380), (3080, 23213), (3340, 21406), (3674, 19460), (3892, 18370), (4676, 15290), (4865, 14696), (5560, 12859), (5845, 12232), (6116, 11690), (6680, 10703), (7348, 9730), (7645, 9352), (7784, 9185)]